Lemur: Any user can revoke arbitrary certificates at the CA by uploading a duplicate record and revoking it
High-risk advisory
CVE-2026-71417
Summary
Lemur: Any user can revoke arbitrary certificates at the CA by uploading a duplicate record and revoking it
Why it matters
GitHub has published a reviewed security advisory for lemur. Prioritize it with other application dependency updates.
Operator check
Check whether lemur is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.