Releases

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

URGENCY

All Action needed Check if affected Plan ahead

KIND

Category

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

Jun 2026Clear ×

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.

Source ↗

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.

Source ↗

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.

Source ↗

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