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Releases

AI-analyzed release notes for CNCF graduated and incubating projects.

Backstagev1.51.0CI/CD & App DeliveryMay 19, 2026

A broad release with breaking API removals, changed defaults and constraints, and many new operator-facing capabilities. It also includes performance improvements and an explicitly described dependency security update.

Action needed (2)

  • securityModule Federation packages at v2.3.3

    Module Federation packages were upgraded to v2.3.3 to address known vulnerabilities.

  • breakingThe @remixicon/react version constraint

    The @remixicon/react dependency is limited to versions below 4.9.0 because of a license change.

Check if affected (9)

  • securitySpecific defaults for known MCP clients

    Applies if you configure CIMD or DCR.

  • breakingThe NavItemBlueprint API, removed

    Applies if you use NavItemBlueprint.

  • breakingSidebar and legacy nav-item rendering in renderInTestApp

    Applies if you use renderInTestApp.

  • + 6 more on the release page

Plan ahead (4)

  • deprecatedThe PolicyQueryUser.identity field, deprecated

    Applies if you use PolicyQueryUser.identity.

  • deprecatedThe EXPERIMENTAL_formDecorators field, deprecated alias

    Applies if you configure EXPERIMENTAL_formDecorators.

  • deprecatedThe catalog.stitchingStrategy.mode: 'immediate' setting, deprecated

    Applies if you configure catalog.stitchingStrategy.mode.

  • + 1 more on the release page
Source
Keycloak26.6.2SecurityMay 19, 2026

A maintenance release with numerous disclosed security fixes, dependency updates, enhancements, and bug fixes. It also corrects forced object deletion during the operator upgrade path.

Action needed (6)

  • securityhighCVE-2026-33871: HTTP/2 CONTINUATION frame flood denial of service

    The release fixes the HTTP/2 CONTINUATION frame flood denial-of-service issue identified by CVE-2026-33871.

  • securityhighCVE-2026-33870: HTTP request smuggling through chunked extension parsing

    The release corrects the HTTP request smuggling primitive caused by chunked extension quoted-string parsing, identified by CVE-2026-33870.

  • securityhighBouncycastle updates for CVE-2026-0636, CVE-2026-3505, and CVE-2026-5598

    The release updates bouncycastle for CVE-2026-0636, CVE-2026-3505, and CVE-2026-5598.

  • securityhighCVE-2026-7504: Redirect URI validation bypass

    The release corrects the redirect URI validation bypass in Keycloak, identified by CVE-2026-7504.

  • securitymediumCVE-2026-5588: Bouncy Castle bcpkix cryptographic algorithm vulnerability

    The release updates the bcpkix modules affected by the broken or risky cryptographic algorithm vulnerability in the Bouncy Castle Crypto Package for Java, identified by CVE-2026-5588.

  • securityPermission and policy call ordering in admin/api

    The release corrects the ordering of permission and policy calls in admin/api that led to exposure of a client ID.

Check if affected (12)

Source
hamiv2.9.0AI & MLMay 19, 2026

A feature and maintenance release that adds HAMi-core, Ascend and vNPU virtualization, DRA, CDI, monitoring, metrics, deployment, and debugging capabilities. It also includes scheduling, allocation, device, chart, and compatibility fixes, security updates, dependency upgrades, and removal of a deprecated scheduler policy ConfigMap.

Action needed (3)

  • securityThe tensorflow/tensorflow dependency, upgraded

    The tensorflow/tensorflow dependency was upgraded from 2.20.0rc0-gpu to 2.21.0rc0-gpu in this release.

  • securityThe tensorflow/tensorflow dependency, upgraded again

    The tensorflow/tensorflow dependency was upgraded from 2.21.0rc0-gpu to 2.21.0rc1-gpu in this release.

  • securityThe golang dependency, upgraded

    The golang dependency was upgraded for a security issue in this release.

Check if affected (3)

  • breakingThe deprecated scheduler policy configmap, removed

    Applies if you configure scheduler policy configmap.

  • breakingThe Helm nvidia.overwriteEnv default

    Applies if you use Helm.

  • breakingHost networking for the device plugin, disabled

    Applies if the device plugin runs.

Source
OpenCostv1.120.2ObservabilityMay 18, 2026

A maintenance release with dependency updates, operator-visible configuration and behavior changes, new integrations and capabilities, and correctness fixes. It also includes an explicitly disclosed security-related Go dependency upgrade.

Action needed (1)

Check if affected (2)

  • breakingThe provider config source, changed

    Applies if you configure provider config.

  • breakingThe MCP_SERVER_ENABLED default, changed to false

    Applies if you use the MCP server.

Source
Istio1.30.0Networking & MessagingMay 18, 2026

A feature release adds Gateway API, ambient-mode, telemetry, Helm, and operability capabilities. Authenticated XDS debug endpoints and the new default image registry are the changes most likely to affect deployment and operational configuration.

Action needed (1)

  • breakingDefault Istio image registry

    The default registry for Istio images is now registry.istio.io.

Check if affected (1)

  • breakingAuthentication required for XDS debug endpoints

    Applies if ENABLE_DEBUG_ENDPOINT_AUTH is set.

Source
Istio1.29.3Networking & MessagingMay 18, 2026

A maintenance release adds Gateway API compatibility, analyzer and HBONE tuning capabilities, and fixes certificate, controller, probe, output, and authorization issues. The authorization fixes address cross-namespace configuration access and regex handling in AuthorizationPolicy.

Action needed (1)

  • securityCross-namespace access to istio.io/debug/syncz and istio.io/debug/config_dump

    Authorization is fixed so an authenticated workload cannot enumerate proxies or retrieve configuration dumps for workloads in other namespaces through istio.io/debug/syncz and istio.io/debug/config_dump.

Check if affected (2)

  • securityRegex handling in AuthorizationPolicy identity fields

    Applicability is not stated in the release notes.

  • breakingThe AMBIENT_ENABLE_AWS_BRANCH_ENI_PROBE setting and kubelet health probes

    Applies when ambient mesh pods run on AWS EKS and use Security Groups for Pods (branch ENI).

Source
Istio1.28.7Networking & MessagingMay 18, 2026

A maintenance release that adds Gateway API v1.4.1 support and new diagnostics and configuration controls while fixing several correctness issues. It also includes two described security fixes for XDS debug endpoint authorization and regex handling in AuthorizationPolicy.

Action needed (1)

  • securitySame-namespace authorization for StatusGen XDS debug endpoints

    The StatusGen-served XDS debug endpoints istio.io/debug/syncz and istio.io/debug/config_dump now enforce same-namespace authorization for non-system callers. Authenticated workloads can no longer enumerate proxies or retrieve configuration dumps for workloads in other namespaces.

Check if affected (1)

  • securityEscaped regex metacharacters in AuthorizationPolicy identity fields

    Applies if you configure source.principals or source.namespaces.

Source
Litmus3.29.0ObservabilityMay 18, 2026

Litmus 3.29.0 includes operator-facing changes across dependencies and platform behavior. This release includes a google.golang.org/grpc update to v1.79.3 for CVE-2026-33186.

Action needed (1)

  • securitycriticalThe google.golang.org/grpc dependency, updated for CVE-2026-33186

    The release updates google.golang.org/grpc to v1.79.3. The dependency update addresses CVE-2026-33186 in Litmus 3.29.0.

Source
The Update Framework (TUF)v7.0.0SecurityMay 18, 2026

A release focused on a security fix and API evolution. It tightens the Updater() contract and begins preparation for removal of an existing module.

Action needed (1)

Check if affected (1)

  • breakingThe Updater() bootstrap argument, now required

    Applies if you use Updater().

Plan ahead (1)

  • deprecatedPreparation for removal of securesystemslib.hash

    Applies if you use securesystemslib.hash.

Source
Linkerdedge-26.5.2Networking & MessagingMay 15, 2026

A release that changes the default sidecar mode and promotes native sidecars to GA. It also fixes correctness issues, adds configurable timestamp handling, addresses eleven disclosed CVEs, and updates numerous dependencies.

Action needed (2)

Source
Helmv3.21.0Kubernetes CoreMay 14, 2026

Helm v3.21.0 is a maintenance release with dependency updates and fixes to chart and OCI handling. It also includes a security fix in the opentelemetry packages.

Action needed (1)

  • securityThe opentelemetry packages, upgraded for CVE patches

    Helm v3.21.0 upgrades the opentelemetry packages to patch CVEs.

Source
Helmv4.2.0Kubernetes CoreMay 14, 2026

A feature and maintenance release with new template and CLI capabilities, dependency updates, flag deprecations, and numerous correctness fixes. It also includes security fixes for plugin path traversal and GO-2026-4394.

Action needed (1)

  • securityhighgo.opentelemetry.io/otel/sdk update for GO-2026-4394

    Helm v4.2.0 updates go.opentelemetry.io/otel/sdk to v1.40.0 for GO-2026-4394.

Check if affected (1)

  • securityPlugin version path traversal fix

    Applies if you use the Plugin extension.

Plan ahead (1)

  • deprecatedThe --hide-notes and --render-subchart-notes flags, deprecated

    Applies if you use --hide-notes or --render-subchart-notes.

Source
Ciliumv1.19.4Networking & MessagingMay 13, 2026

A maintenance release with several operator-visible fixes, narrower EndpointSlice watch behavior, Helm configurability, and dependency and image updates. The EndpointSlice filtering change affects configurations that set a service proxy name, while the release also updates the github.com/moby/spdystream dependency.

Action needed (2)

  • securityThe github.com/moby/spdystream module update

    The github.com/moby/spdystream module is updated to v0.5.1.

  • breakingService-label filtering for EndpointSlice watches

    The loadbalancer/reflectors component filters EndpointSlice watches by service labels.

Check if affected (1)

  • breakingLabel filtering for EndpointSlices

    Applies if you set --k8s-service-proxy-name.

Source
Ciliumv1.17.16Networking & MessagingMay 13, 2026

A maintenance release with an enforced policy behavior change, bug fixes, new metrics, and Helm image overrides. It also updates dependencies and container images and refreshes container image manifests.

Action needed (1)

  • securityThe github.com/moby/spdystream dependency update

    The github.com/moby/spdystream module is updated to v0.5.1 in v1.17.16.

Check if affected (1)

  • breakingCiliumLocalRedirectPolicy addressMatcher override behavior

    Applies if you use addressMatcher in CiliumLocalRedirectPolicy and do not enable --enable-lrp-address-matcher-override=true.

Source
Ciliumv1.18.10Networking & MessagingMay 13, 2026

Cilium v1.18.10 contains correctness fixes, Helm support for overriding images, and dependency and image updates. The github.com/moby/spdystream update is marked as a security update, but no advisory identifier is provided.

Action needed (1)

  • securityThe github.com/moby/spdystream module update to v0.5.1

    Cilium v1.18.10 updates the github.com/moby/spdystream module to v0.5.1 as an undisclosed security update.

Source
Jaegerv2.18.0ObservabilityMay 13, 2026

A release with breaking removals, API and metric changes, bug corrections, and experimental capabilities. It also adds storage, MCP, UI, and tracing functionality, with no security advisories or security-specific fixes disclosed.

Action needed (2)

  • breakingThe min step api in metricstore, removed

    The min step api was removed from metricstore in this release.

  • breakingThe non-standard health MCP tool, removed

    The non-standard health MCP tool was removed from jaegermcp in this release.

Source
Argov3.3.10CI/CD & App DeliveryMay 12, 2026

This release combines bug fixes with dependency and toolchain updates. The Go update to 1.25.9 addresses CVEs and concerns deployments using this release.

Action needed (1)

  • securityThe Go toolchain, updated to 1.25.9

    The Go toolchain is updated to 1.25.9 on release-3.3 to resolve CVEs.

Source
Fluxv2.8.7CI/CD & App DeliveryMay 12, 2026

Flux v2.8.7 includes a security update to the go-git dependency alongside toolkit component updates. The go-git update addresses CVE-2026-45022 and GHSA-389r-gv7p-r3rp.

Action needed (1)

  • securityhighThe go-git dependency update to v5.19.0

    The go-git dependency is updated to v5.19.0, which fixes CVE-2026-45022 and addresses GHSA-389r-gv7p-r3rp. This update ships in Flux v2.8.7.

Source
Open Policy Agent (OPA)v1.16.2SecurityMay 12, 2026

OPA v1.16.2 is a security-focused maintenance release. It updates the Go version used to build OPA binaries and images to 1.26.3 to address vulnerabilities.

Action needed (1)

  • securityThe Go build version, updated to 1.26.3

    The version of Go used to build OPA binaries and images is updated to 1.26.3 to address vulnerabilities.

Source
Flatcar Container Linuxstable-4593.2.1Provisioning & RuntimeMay 11, 2026

This is a security-focused Flatcar release with disclosed Linux security fixes. It also updates the Linux and ca-certificates dependencies.

Action needed (1)

  • securitycriticalLinux security updates, including CVE-2026-31733

    Linux receives security updates in Flatcar stable-4593.2.1, including CVE-2026-31733 and the other disclosed Linux advisories listed for this change.

Source
metal3-iov0.13.0Provisioning & RuntimeMay 8, 2026

This release removes the iRMC driver and legacy vbmctl entrypoint, deprecates BMH.Spec.Firmware, and changes defaults and constraints. It also adds HostClaim and vbmctl capabilities, corrects bugs, and updates dependencies.

Action needed (1)

  • breakingManager TLS default set to unset

    The manager TLS default is set back to unset in this release.

Check if affected (3)

  • breakingThe iRMC driver, removed

    Applies if you use the iRMC driver.

  • breakingPreprovisioningImage required for deprovisioning

    Applies if cleaning is enabled.

  • breakingThe legacy vbmctl entrypoint, removed

    Applies if you use the legacy vbmctl entrypoint.

Plan ahead (1)

  • deprecatedThe BMH.Spec.Firmware field, deprecated

    Applies if you configure BMH.Spec.Firmware.

Source
Vitessv23.0.4Storage & DataMay 7, 2026

A maintenance release with bug fixes, compatibility and behavior changes, operational improvements, metric updates, and two Go dependency upgrades. It includes no disclosed security advisories or explicitly security-related fixes.

Action needed (2)

  • breakingUnqualified * rejection after commas in SELECT lists

    vtgate now rejects an unqualified * after a comma in a SELECT list. The change ships in this release.

  • breakingBare * restriction in the sqlparser grammar

    sqlparser now enforces the restriction on bare * in its grammar. The change ships in this release.

Check if affected (1)

  • breakingEmergencyReparentShard replication-stop error validation

    Applies if you use EmergencyReparentShard.

Source
Harborv2.15.1Storage & DataMay 6, 2026

Harbor v2.15.1 is a maintenance release with defect corrections, behavior changes, and dependency and base-image updates. It also updates photon packages to fix CVEs.

Action needed (1)

  • securityphoton packages CVE fixes

    The photon packages are updated to fix CVEs in Harbor v2.15.1.

Source
Argov3.4.1CI/CD & App DeliveryMay 6, 2026

A broad maintenance and feature release with correctness, performance, dependency, and operator-facing changes. Operators should review the cluster-version annotation format and changed defaults, while dependency updates include Kubernetes and Helm changes; no explicitly disclosed exploitable vulnerability or security advisory is identified.

Action needed (4)

  • securityThe k8s.io/kubernetes module, updated to v1.34.2

    The k8s.io/kubernetes module is updated to v1.34.2 as a security-related dependency update.

  • securityThe helm dependency, updated to 3.19.4

    The helm dependency is updated to 3.19.4 due to a CVE.

  • breakinggRPC service config DNS TXT lookups, disabled by default

    gRPC service config DNS TXT lookups are disabled by default.

  • breakingThe appset resource status count, defaulted to 5000

    The default appset resource status count is changed to 5000.

Check if affected (2)

  • breakingThe --client flag in the Helm version command, removed

    Applies if you use --client.

  • breakingThe cluster-version annotation format, renamed

    Applies if you use Application Sets with Cluster Generators and configure argocd.argoproj.io/auto-label-cluster-info.

Source
CRI-Ov1.36.0Kubernetes CoreMay 5, 2026

CRI-O v1.36.0 is a substantive operator-facing feature and maintenance release with runtime and operational changes. It also includes a security update to spdystream and a broad dependency refresh.

Action needed (1)

  • securityhighThe spdystream dependency update for CVE-2026-35469

    CRI-O v1.36.0 updates the spdystream dependency to fix CVE-2026-35469.

Source
Confidential Containersv0.20.0SecurityMay 5, 2026

Confidential Containers v0.20.0 combines operator-visible capability and compatibility updates with deprecations of several image and provider paths. It also includes a security fix identified by GHSA-q49m-57vm-c8cc.

Action needed (1)

  • securityhighGHSA-q49m-57vm-c8cc security fix

    The release includes a fix for the security issue identified by GHSA-q49m-57vm-c8cc.

Plan ahead (3)

  • deprecatedThe Docker CAA provider, deprecatedremoval date not announced

    Applies if you use the Docker CAA provider.

  • breakingThe Fedora-based mkosi CAA podvm image, deprecatedremoval date not announced

    Applies if you use the Fedora-based mkosi CAA podvm image.

  • deprecatedSupport for packer images, deprecatedremoval date not announced

    Applies if you use packer images.

Source
CRI-Ov1.35.3Kubernetes CoreMay 5, 2026

A maintenance release that adds a runtime metric and a GOMAXPROCS configuration field, fixes two runtime defects, and reverts CNI monitoring after node bootstrapping regressions. It also updates the spdystream dependency to address CVE-2026-35469.

Action needed (2)

  • securityhighThe spdystream dependency update for CVE-2026-35469

    The spdystream dependency is updated to address CVE-2026-35469. The update ships in this release.

  • breakingCRI-O CNI monitoring, reverted

    CRI-O reverts CNI monitoring because it caused node bootstrapping regressions. The change ships in this release.

Source
CRI-Ov1.34.8Kubernetes CoreMay 5, 2026

CRI-O v1.34.8 includes a security-relevant dependency update and adds operator-facing observability and configuration capabilities. The dependency update is the release change that requires upgrading, while the other additions concern optional setup or informational use.

Action needed (1)

  • securityhighCVE-2026-35469 fix in the spdystream dependency

    CRI-O v1.34.8 updates the spdystream dependency to fix CVE-2026-35469.

Source
CRI-Ov1.33.12Kubernetes CoreMay 5, 2026

CRI-O v1.33.12 includes a security fix for a disclosed vulnerability in the spdystream dependency. It also adds the min_injected_gomaxprocs configuration field for controlling the floor of injected GOMAXPROCS values.

Action needed (1)

  • securityhighCVE-2026-35469 fix in the spdystream dependency

    CVE-2026-35469 is fixed by updating the spdystream dependency in CRI-O v1.33.12.

Source
wasmCloudv2.0.6Orchestration & ManagementMay 1, 2026

A maintenance release with correctness fixes for HTTP errors, NATS subscription readiness, and WorkloadDeployment readiness, plus dependency and toolchain updates. It removes canary-v2 now that canary exists and includes dependency cleanup.

Action needed (1)

  • breakingThe canary-v2 option, removed

    canary-v2 is removed now that canary exists. The removal ships in this release.

Source
etcdv3.6.11Kubernetes CoreMay 1, 2026

A maintenance release with a correctness fix, an RBAC authorization bypass fix, and a security-related dependency update for GO-2026-4962. It also records Go 1.25.9 as the toolchain used to build the binaries.

Action needed (1)

  • securitymediumgolang.org/x/image update for GO-2026-4962

    The release updates golang.org/x/image to v0.39.0 to resolve GO-2026-4962.

Check if affected (1)

  • securityRBAC authorization bypass in nested Put requests

    Applies if you use RBAC.

Source
etcdv3.5.30Kubernetes CoreMay 1, 2026

A maintenance release with a security fix for an RBAC authorization bypass in transaction handling. It also includes an ordinary correctness fix and a Go toolchain dependency update.

Action needed (1)

  • securityRBAC authorization bypass in nested etcd transactions

    The release fixes an RBAC authorization bypass that allowed read access through PrevKv or lease attachment in Put requests nested in etcd transactions. The fix ships in this release.

Source
containerdv2.3.0Kubernetes CoreApr 30, 2026

A substantial operator-facing release with new capabilities, behavior changes, a compatibility constraint, and a deprecation. It is the first annual LTS release under a Kubernetes-aligned cadence, with support planned for at least two years.

Action needed (1)

  • breakingPlugin names disallow commas

    OCI hook adjustments accumulate owners, and commas are disallowed in plugin names in this release.

Plan ahead (1)

  • deprecatedThe shim.Command API, deprecated

    Applies if you use shim.Command.

Source
OpenFeaturecore/v0.15.5CI/CD & App DeliveryApr 30, 2026

OpenFeature core/v0.15.5 is a maintenance release with operator-relevant corrections and a security-related dependency update. The security announcement does not identify a specific advisory in the release text.

Action needed (1)

  • securityOpen Dependabot security alerts resolved

    Open Dependabot security alerts were resolved in the OpenFeature core release.

Source
OpenFeatureflagd-proxy/v0.9.5CI/CD & App DeliveryApr 30, 2026

This release resolves open Dependabot security alerts in the flagd proxy. The release note does not identify which vulnerabilities or dependencies were fixed.

Action needed (1)

  • securityDependabot security alerts resolved

    The flagd-proxy/v0.9.5 release resolves open Dependabot security alerts. The release note does not identify the affected dependencies or vulnerabilities.

Source
Argov3.3.9CI/CD & App DeliveryApr 30, 2026

v3.3.9 is a maintenance release with a disclosed security fix and a go version update to resolve CVEs. It also includes bug fixes in the release.

Action needed (2)

  • securitycriticalGHSA-3v3m-wc6v-x4x3 security fix

    This release fixes the vulnerability identified by GHSA-3v3m-wc6v-x4x3.

  • securityThe go version update for CVE resolution

    The go version is bumped to resolve CVEs in v3.3.9.

Source
Argov3.2.11CI/CD & App DeliveryApr 30, 2026

Version v3.2.11 includes a disclosed security fix and additional correctness and dependency updates. The security fix is the release change that concerns users evaluating whether to upgrade.

Action needed (1)

  • securitycriticalSecurity fix for GHSA-3v3m-wc6v-x4x3

    Version v3.2.11 contains a security fix for the vulnerability identified by GHSA-3v3m-wc6v-x4x3.

Source
Open Policy Agent (OPA)v1.16.0SecurityApr 30, 2026

OPA v1.16.0 adds URI built-ins, Data API metadata support, testing and WASM capabilities, along with broader Rego and schema support. It also changes formatting, logging, server, TLS, socket, storage, and dependency behavior, but includes a shutdown regression, so users should skip v1.16.0 and upgrade directly to v1.16.1.

Action needed (1)

  • breakingHTML index page query form removed

    OPA v1.16.0 drops the HTML index page query form.

Source
Vitessv24.0.0Storage & DataApr 30, 2026

A broad feature and maintenance release adds routing, streaming, tracing, backup and restore, observability, and tablet-management capabilities alongside correctness, performance, and dependency updates. Operators should review changed defaults, backup behavior, removed endpoints and metrics, deprecated features, and security fixes affecting external decompression.

Action needed (3)

  • securityClear-text logging of sensitive information

    The release addresses a code scanning alert about clear-text logging of sensitive information.

  • securityDirectory traversal protection in GetBackups

    The file backup storage GetBackups RPC no longer permits directory traversal paths.

  • breakingStricter VTGate SELECT list validation

    VTGate rejects an unqualified * after a comma in a SELECT list.

Check if affected (12)

  • securityOpt-in compressor commands from MANIFEST

    Applicability is not stated in the release notes.

  • securityExternal decompressor commands from backup MANIFEST

    Applies if you use backup storage.

  • securityBackup MANIFEST path traversal protection

    Applies if backupengine runs.

  • + 9 more on the release page

Plan ahead (4)

  • deprecatedThe glog deprecationremoval planned in v25

    Applies if you use glog.

  • deprecatedThe OpenTracing backend deprecationsremoval planned in v25

    Applies if you use opentracing-jaeger or opentracing-datadog.

  • deprecatedVTOrc Snapshot Topology deprecationremoval planned in v25

    Applies if you configure --snapshot-topology-interval.

  • + 1 more on the release page
Source
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