GHSA-PXMC-2FFP-8J67 Lemur: Any user can revoke arbitrary certificates at the CA by uploading a duplicate record and revoking it

Summary Repo under test: https://github.com/Netflix/lemur PUT /api/1/certificates//revoke authorizes the caller against the Lemur database row creator == current user, or CertificatePermission over the row's roles rather than the underlying CA-side certificate identity. Separately, POST...

CVE-2026-48508

Lemur (Netflix's TLS certificate management service) prior to 1.9.1 contains an authorization bypass in StrictRolePermission and AuthorityCreatorPermission (lemur/auth/permissions.py). When ADMIN_ONLY_AUTHORITY_CREATION and LEMUR_STRICT_ROLE_ENFORCEMENT are unset (both default to False), flask_pr...