cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credent...

Date Oct 29, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท github.com/cert-manager/cert-manager
CVE CVE-2026-62290
High-risk advisory CVE-2026-62290

Summary

cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials

Why it matters

GitHub has published a reviewed security advisory for github.com/cert-manager/cert-manager. Prioritize it with other application dependency updates, especially because EPSS places it in the 1% percentile.

Operator check

Check whether github.com/cert-manager/cert-manager is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.1%; percentile: 1%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.