Releases

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

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

Prometheusv3.13.2ObservabilityJul 30, 2026

ACTION 2OTHER 2View full analysis

Prometheus v3.13.2 updates dependencies for two disclosed vulnerabilities and includes related transitive dependency upgrades. It also fixes a PromQL SIGBUS crash when the data disk is full.

Action needed (2)

securityhighgolang.org/x/text update for CVE-2026-56852
golang.org/x/text updates from v0.38.0 to v0.39.0 in Prometheus v3.13.2 for CVE-2026-56852.
securityhighgoogle.golang.org/grpc update for GHSA-hrxh-6v49-42gf
google.golang.org/grpc updates from v1.81.1 to v1.82.1 in Prometheus v3.13.2 for GHSA-hrxh-6v49-42gf.

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Litmus3.31.0ObservabilityJul 15, 2026

ACTION 1OTHER 9View full analysis

Release 3.31.0 contains a dependency update addressing vulnerabilities in graphql/server. It also includes correctness fixes across probes, GraphQL, authentication, infrastructure, and experiment handling.

Action needed (1)

securityDependencies in graphql/server updated
Dependencies in graphql/server are updated to fix vulnerabilities. The update ships in Release 3.31.0.

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Prometheusv3.5.5ObservabilityJul 9, 2026

ACTION 1OTHER 1View full analysis

Prometheus v3.5.5 includes a Go 1.25.12 toolchain change and a disclosed security fix in the UI. The security fix concerns the sanitize-html dependency and CVE-2026-53606.

Action needed (1)

securitymediumThe sanitize-html dependency update for CVE-2026-53606
The Prometheus UI updates sanitize-html to v2.17.5 to fix CVE-2026-53606.

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Thanosv0.42.0ObservabilityJul 8, 2026

ACTION 1CHECK 4OTHER 19View full analysis

A release with security corrections, breaking configuration removals, and an output-field rename that may require operator or log-collector changes. It also adds TLS and cache configuration, query and tracing changes, and defect fixes across several Thanos components.

Action needed (1)

securitycriticalthanos-community/grpc-go fork update for CVE-2026-33186
The thanos-community/grpc-go fork is bumped to fix CVE-2026-33186, an authorization bypass via malformed :path headers.

Check if affected (4)

securityReceive tenant ID validation
Applies if you run Receive.
breakingQuery-Frontend time_taken field renamed to time_taken_ms
Applies if you run Query-Frontend.
breaking--shipper.ignore-unequal-block-size flag removed
Applies if you configure --shipper.ignore-unequal-block-size.
+ 1 more on the release page

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Prometheusv3.13.0ObservabilityJul 1, 2026

ACTION 2CHECK 2OTHER 37View full analysis

A long-term support release with security-related dependency updates, PromQL changes, new APIs and configuration controls, and bug fixes. It also replaces a shipped license artifact and includes performance improvements.

Action needed (2)

securitycriticalThe sanitize-html dependency update
The UI updates sanitize-html to address a cross-site scripting vulnerability, identified as CVE-2026-44990.
breakingThe third-party license artifact
Third-party npm dependency licenses are embedded in the Prometheus binary and served at /assets/third-party-licenses.txt. This replaces the npm_licenses.tar.bz2 archive previously shipped in release tarballs and container images.

Check if affected (2)

securitymediumRedirect credential forwarding
Applies if you use scraping, remote read/write, alerting, or service discovery.
breakingPromQL duration-expression function names
Applies if you enable experimental-duration-expr and use min() and max().

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Prometheusv3.5.4ObservabilityJun 17, 2026

ACTION 2CHECK 1OTHER 1View full analysis

Prometheus v3.5.4 is primarily a security maintenance release, with a fix for plaintext secret exposure and dependency updates addressing reported advisories. It also adds publication of container images to the GitHub Container Registry at ghcr.io.

Action needed (2)

securitycriticalgolang.org/x/net and OpenTelemetry dependency updates
The golang.org/x/net dependency is updated to v0.55.0, and OpenTelemetry to v1.43.0. These updates address reported advisories GO-2026-5026, GO-2026-4918, and GO-2026-4985.
securityPatched UI dependency versions
The UI dependencies react-router-dom, vitest, vite, and postcss are updated to patched versions to resolve security advisories.

Check if affected (1)

securityPlaintext secret exposure via /-/config corrected
Applies if you access the /-/config endpoint.

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Chaos Meshv2.8.3ObservabilityJun 10, 2026

ACTION 2OTHER 1View full analysis

A security-focused maintenance release includes undisclosed container-image CVE fixes and updates image components. It also corrects NetworkChaos recovery for targets in CrashLoopBackOff by falling back to the sandbox (pause) container PID for network namespace operations.

Action needed (2)

securityGo toolchain and containerd upgrades
The Go toolchain (1.25.11) and containerd (1.7.32) were upgraded in the container images.
securitymemStress rebuild and headless JRE for chaos-daemon
The memStress helper was rebuilt with the modern Go toolchain (v0.3.1), and the chaos-daemon image switched to a headless JRE.

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Cortexv1.21.1ObservabilityJun 5, 2026

CHECK 3OTHER 7View full analysis

A maintenance release with operator-facing security fixes and configuration changes across ingestion, distribution, and status pages. It also includes fixes for request handling, authentication, configuration exposure, gossip limits, and client and runtime panics.

Check if affected (3)

securityStored XSS protection in Alertmanager and Store Gateway status pages
Applies if you run Alertmanager or Store Gateway.
securityWrappedHistogram native histogram size limit
Applies if you use native histograms.
breakingDecompressed gzip output limit for ParseProtoReader and OTLP ingestion
Applies if you use the OTLP ingestion path.

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OpenCostv1.120.3ObservabilityMay 29, 2026

ACTION 1CHECK 1OTHER 51View full analysis

A maintenance release with dependency updates, correctness fixes, and new cloud and query capabilities. Configuration and output behavior also change, along with a Go dependency upgrade for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986.

Action needed (1)

securityhighGo dependency upgrades for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986
Go dependencies are upgraded for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986.

Check if affected (1)

breakingThe MCP_SERVER_ENABLED default is false
Applies if you do not configure MCP_SERVER_ENABLED.

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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.

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OpenCostv1.120.2ObservabilityMay 18, 2026

ACTION 1CHECK 2OTHER 40View full analysis

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)

securityhighGo dependency upgrades for GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986
Go dependencies were upgraded to address GHSA-xmrv-pmrh-hhx2 and CVE-2026-34986.

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.

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Litmus3.29.0ObservabilityMay 18, 2026

ACTION 1OTHER 7View full analysis

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.

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Prometheusv3.11.3ObservabilityApr 27, 2026

CHECK 3View full analysis

A security maintenance release with corrections for credential exposure, request decoding validation, and stored cross-site scripting. Advisory identifiers are provided for the addressed defects, and the fixes ship in this release.

Check if affected (3)

securityhighAzureAD remote write OAuth client_secret exposure fix
Applies if you use AzureAD remote write.
securityhighRemote-read decoded-length validation
Applies if you use Remote-read.
securitymediumOld UI heatmap chart le label escaping
Applies if you use the old UI heatmap chart.

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Prometheusv3.5.3ObservabilityApr 27, 2026

CHECK 4View full analysis

A security-focused release with fixes for exposed OAuth secrets and stored XSS. Remote read and write request validation now rejects snappy-compressed payloads whose declared decoded length exceeds the decode limit.

Check if affected (4)

securityhighAzureAD remote write client_secret exposure fixed
Applies if you use AzureAD remote write.
securityhighRemote-read decoded-length validation
Applies if you use Remote-read.
securitymediumOld UI heatmap chart le label escaping
Applies if you use UI.
+ 1 more on the release page

Source ↗

Litmus3.28.0ObservabilityApr 15, 2026

ACTION 2OTHER 3View full analysis

A maintenance release with several defect fixes, including prevention of stale configuration leakage and a frontend base-image update to address a Python vulnerability. It also includes fixes for workflow event handling, branding, and experiment image-registry behavior.

Action needed (2)

securityStale configuration across probes of the same type
Stale configuration no longer leaks across multiple probes of the same type.
securityFrontend base image updated to ubi9
The frontend base image is updated to ubi9 to resolve a Python vulnerability.

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Prometheusv3.11.2ObservabilityApr 13, 2026

CHECK 1OTHER 2View full analysis

Release v3.11.2 fixes stored XSS in the Prometheus web UI and changes Consul service-discovery filtering. The Consul updates add health_filter support and correct how filter parameters are applied to the Health API.

Check if affected (1)

securitymediumStored XSS fix in the Prometheus web UI, CVE-2026-40179
Applies if you use the Prometheus web UI.

Source ↗

Prometheusv3.5.2ObservabilityApr 13, 2026

CHECK 1OTHER 1View full analysis

Prometheus v3.5.2 fixes a stored XSS vulnerability in the Prometheus web UI. The release also includes a regex performance improvement.

Check if affected (1)

securitymediumStored XSS fix in the Prometheus web UI
Applies if crafted metric names or label values can reach the Prometheus web UI.

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Chaos Meshv2.8.2ObservabilityMar 25, 2026

ACTION 2CHECK 1PLAN 1OTHER 6View full analysis

A maintenance release deprecates and removes install.sh, updates the Go toolchain and JSON-RPC dependency, and corrects dashboard and webhook issues. It also includes vulnerability fixes in Go and UI packages.

Action needed (2)

securityGo package updates for vulnerability fixes
Go packages are upgraded to fix vulnerabilities.
securityUI package updates for vulnerability fixes
UI packages are upgraded to fix vulnerabilities.

Check if affected (1)

breakingThe install.sh installer, removed
Applies if you use install.sh.

Plan ahead (1)

deprecatedThe install.sh installer, deprecated
Applies if you use install.sh.

Source ↗

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