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Releases

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

Feb 2026Clear ×Project: cert-managerClear ×
cert-managerv1.18.6SecurityFeb 24, 2026

cert-manager v1.18.6 is a patch release focused on fixing reported vulnerabilities, including CVE-2025-68121, through a Go toolchain bump. CVE-2026-24051 is explicitly stated not to affect cert-manager.

Action needed (2)

  • securitycriticalCVE-2025-68121 vulnerability fix

    The v1.18.6 patch release fixes reported vulnerabilities, most notably CVE-2025-68121, in cert-manager.

  • securitycriticalGo toolchain bump for CVE-2025-68121

    The Go toolchain is bumped in cert-manager v1.18.6 to address CVE-2025-68121.

Source
cert-managerv1.19.4SecurityFeb 24, 2026

cert-manager v1.19.4 is a patch release focused on reported vulnerabilities and dependency updates. It includes fixes for CVE-2026-24051, CVE-2025-68121, and GO-2026-4394.

Action needed (3)

  • securitycriticalThe go dependency update

    The go dependency is bumped in cert-manager v1.19.4 to address CVE-2025-68121.

  • securityhighcert-manager v1.19.4 vulnerability fixes

    cert-manager v1.19.4 is a patch release addressing reported vulnerabilities, including CVE-2026-24051 and CVE-2025-68121.

  • securityhighThe otel SDK dependency update

    The otel SDK dependency is bumped in cert-manager v1.19.4 to address GO-2026-4394.

Source
cert-managerv1.18.5SecurityFeb 2, 2026

cert-manager v1.18.5 contains a security fix for GHSA-gx3x-vq4p-mhhv alongside other bug fixes. It also adds IPv6 HTTP-01 support and updates the Go toolchain.

Action needed (1)

  • securitymediumGHSA-gx3x-vq4p-mhhv denial-of-service fix

    cert-manager v1.18.5 fixes the denial-of-service issue identified by GHSA-gx3x-vq4p-mhhv. The release contains three bug fixes in total.

Source
cert-managerv1.19.3SecurityFeb 2, 2026

A maintenance release with a security fix in the cert-manager controller, along with routine bug fixes and a Go toolchain dependency update. The security fix addresses a DNS response handling issue that could cause controller denial of service.

Check if affected (1)

  • securitymediumcert-manager controller DNS response panic fix, GHSA-gx3x-vq4p-mhhv

    Applicability is not stated in the release notes.

    This release fixes a potential panic in the cert-manager controller when a cached DNS response arrives in an unexpected order. The issue is tracked as GHSA-gx3x-vq4p-mhhv and could cause denial of service when an attacker modifies DNS responses or controls the DNS server.

Source
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