Releases

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

URGENCY

All Action needed Check if affected Plan ahead

KIND

All Security Breaking Deprecated

Category

All AI & ML CI/CD & App Delivery Kubernetes Core Networking & Messaging Observability Orchestration & Management Provisioning & Runtime Security Storage & Data

May 2026Clear ×

Kubescapev4.0.9SecurityMay 29, 2026

ACTION 3CHECK 3OTHER 105View full analysis

A broad maintenance release with correctness fixes, new CLI and reporting capabilities, anonymization updates, a performance improvement, added validation, and dependency refreshes. It also includes security fixes alongside changes to output and push defaults.

Action needed (3)

securityDependency updates for security advisories
Dependencies are updated to address security advisories.
securityEnvFrom clearing in container data removal
removeContainersData now clears EnvFrom to prevent secret name leakage.
securityEnv[].ValueFrom clearing in container data removal
removeContainersData and removeEphemeralContainersData now clear Env[].ValueFrom.

Check if affected (3)

security/v1/results access control hardening
Applies if you use /v1/results.
breakingThe pdf/html output default changed to file output
Applies if you use pdf/html output.
breakingThe push default changed to opt-in
Applies if you use push.

Daprv1.17.8Orchestration & ManagementMay 28, 2026

CHECK 1OTHER 1View full analysis

A maintenance release corrects a workflow retentioner defect and constrains forwarded-host handling during Sentry OIDC discovery. The discovery change affects deployments that use Sentry OIDC.

Check if affected (1)

securityConstrained X-Forwarded-Host use during Sentry OIDC discovery
Applies if you use Sentry OIDC.

SPIREv1.15.1SecurityMay 28, 2026

CHECK 1OTHER 2View full analysis

SPIRE v1.15.1 includes a security correction for Azure IMDS node attestation. The release also updates the golang.org/x/net and golang.org/x/crypto dependencies.

Check if affected (1)

securityAzure IMDS node attestation validation
Applies if you use the azure_imds server node attestor plugin.

SPIREv1.14.7SecurityMay 28, 2026

CHECK 1OTHER 2View full analysis

SPIRE v1.14.7 fixes a security vulnerability in Azure IMDS node attestation. It also updates the Go toolchain to 1.26.3 and updates three dependencies.

Check if affected (1)

securityThe azure_imds node attestor validation is corrected
Applies if you use the azure_imds server node attestor plugin.

Contourv1.33.5Networking & MessagingMay 28, 2026

ACTION 1CHECK 1OTHER 2View full analysis

A maintenance release with a security fix for invalid HTTPProxy configurations and an update to golang.org/x/net. It also updates the Go toolchain to 1.25.10 and is tested against Kubernetes 1.32 through 1.34.

Action needed (1)

securitycriticalgolang.org/x/net updated to v0.55.0, CVE-2026-39821
Contour v1.33.5 updates golang.org/x/net to v0.55.0. The change addresses CVE-2026-39821.

Check if affected (1)

securitymediumInvalid HTTPProxy configuration rejected, GHSA-g3xr-5w5j-w4q4
Applies if you configure HTTPProxy with a fallback certificate and enable JWT verification.

Prometheusv3.12.0ObservabilityMay 28, 2026

ACTION 1CHECK 3OTHER 45View full analysis

A feature and maintenance release with new operator-facing APIs, discovery integrations, feature flags, configuration options, and UI capabilities. It also addresses disclosed security issues, correctness and performance problems, and validation or constraint behavior.

Action needed (1)

breakingConcurrent fgprof profile rejection
The API rejects concurrent fgprof profiles.

Check if affected (3)

securityRemote Write decoded-length constraint
Applies if you use Remote Write.
securityPlaintext secret exposure in STACKIT SD
Applies if you use STACKIT SD.
breakingDecompressed body-size limit for OTLP write requests
Applies if you use OTLP.

Argov3.4.3CI/CD & App DeliveryMay 28, 2026

CHECK 1OTHER 8View full analysis

A maintenance release with several correctness fixes across Argo CD and a UI dependency update addressing CVE-2026-41240. The recorded fixes cover CLI, UI, Git, controller startup, and resource handling.

Check if affected (1)

securitymediumThe redoc/dompurify dependency, upgraded for CVE-2026-41240
Applies if you use redoc/dompurify in /ui.

Falco0.44.0SecurityMay 26, 2026

ACTION 1CHECK 5OTHER 34View full analysis

A release that removes several supported engines and outputs and restricts falco-webui access. It also adds rule and configuration capabilities, includes defect fixes and dependency updates, and discloses no security advisory.

Action needed (1)

breakinggRPC server support, removed
gRPC server support is removed in this release.

Check if affected (5)

securityPlugin library path traversal prevention
Applies if you configure the plugin library path.
breakingThe gRPC output, removed
Applies if you use the gRPC output.
breakingThe gVisor engine, removed
Applies if you use the gVisor engine.
+ 2 more on the release page

Crossplanev2.3.1Orchestration & ManagementMay 22, 2026

ACTION 1CHECK 13OTHER 1View full analysis

A maintenance release includes dependency updates and security fixes in golang.org/x/crypto. The fixes cover SSH, SSH agent, and known-hosts behavior.

Action needed (1)

securitygolang.org/x/crypto updated to v0.52.0
The release updates the golang.org/x/crypto module to v0.52.0.

Check if affected (13)

securitycriticalUnenforced invoking key constraints in golang.org/x/crypto/ssh/agent
Applies if you use golang.org/x/crypto/ssh/agent.
securitycriticalDropped invoking agent constraints in golang.org/x/crypto/ssh/agent
Applies if you use golang.org/x/crypto/ssh/agent.
securitycriticalServer deadlock on unexpected responses in golang.org/x/crypto/ssh
Applies if you use golang.org/x/crypto/ssh.
+ 10 more on the release page

Crossplanev2.1.6Orchestration & ManagementMay 22, 2026

ACTION 6CHECK 1OTHER 1View full analysis

A security-focused maintenance release updates Go and several dependencies, including a fix for an HTTP/2 transport infinite-loop vulnerability. The Go and dependency version increases require upgrading; no configuration migration or deprecation is announced.

Action needed (6)

securityThe go.opentelemetry.io/otel module update
The go.opentelemetry.io/otel module is updated to v1.41.0 in this release.
securityThe github.com/in-toto/in-toto-golang module update
The github.com/in-toto/in-toto-golang module is updated to v0.11.0 in this release.
securityThe github.com/go-git/go-git/v5 module update to v5.19.0
The github.com/go-git/go-git/v5 module is updated to v5.19.0 in this release.
securityGo 1.25.10
Go is updated to 1.25.10 to fix standard library CVEs.
securityThe github.com/go-git/go-git/v5 module update to v5.19.1
The github.com/go-git/go-git/v5 module is updated to v5.19.1 in this release.
securityThe golang.org/x/crypto module update
The golang.org/x/crypto module is updated to v0.52.0 in this release.

Check if affected (1)

securityhighThe golang.org/x/net HTTP/2 transport infinite loop
Applicability is not stated in the release notes.

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

ACTION 2CHECK 9PLAN 4OTHER 61View full analysis

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

Keycloak26.6.2SecurityMay 19, 2026

ACTION 6CHECK 12OTHER 13View full analysis

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)

securityhighCVE-2026-7307: Denial of service at the /saml endpoint
Applies if you use /saml.
securityhighCVE-2026-7571: Access token disclosure and implicit flow bypass
Applies if you use implicit flow.
securityhighCVE-2026-7507: Session fixation in the OIDC login flow
Applies if you use OIDC login flow.
+ 9 more on the release page

Istio1.29.3Networking & MessagingMay 18, 2026

ACTION 1CHECK 2OTHER 6View full analysis

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).

Istio1.28.7Networking & MessagingMay 18, 2026

ACTION 1CHECK 1OTHER 6View full analysis

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.

Helmv4.2.0Kubernetes CoreMay 14, 2026

ACTION 1CHECK 1PLAN 1OTHER 68View full analysis

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.

Volcanov1.12.4Orchestration & ManagementMay 9, 2026

CHECK 1OTHER 2View full analysis

A maintenance release with a security fix for a disclosed denial-of-service vulnerability in the webhook server, plus ordinary scheduling bug fixes. The vulnerability affects webhook servers that accept unbounded HTTP request bodies.

Check if affected (1)

securitymediumCVE-2026-44247 in the Volcano webhook server
Applies if the Volcano webhook server runs.

Volcanov1.13.3Orchestration & ManagementMay 9, 2026

CHECK 1OTHER 4View full analysis

Volcano v1.13.3 includes a security fix for a denial-of-service vulnerability in the webhook server. It also contains other defect corrections.

Check if affected (1)

securitymediumCVE-2026-44247 in the Volcano webhook server
Applies if a pod can access the Volcano webhook endpoint over the network.

Volcanov1.14.2Orchestration & ManagementMay 9, 2026

CHECK 1OTHER 17View full analysis

A maintenance release fixes a disclosed webhook denial-of-service vulnerability and corrects scheduler, queue, and event-handling defects. It also updates the Kubernetes version used by the webhook-manager image.

Check if affected (1)

securitymediumCVE-2026-44247: Webhook server request body handling
Applies if the Volcano webhook server runs.

etcdv3.6.11Kubernetes CoreMay 1, 2026

ACTION 1CHECK 1OTHER 2View full analysis

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.

etcdv3.4.44Kubernetes CoreMay 1, 2026

CHECK 1OTHER 1View full analysis

A security maintenance release fixes an RBAC authorization bypass. It also updates the Go toolchain used to compile binaries to go 1.25.9.

Check if affected (1)

securityRBAC authorization bypass fix
Applies if you use RBAC.

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