PT-2026-80652

Summary The fix for GHSA-v2wp-frmc-5q3v added validate acme url to reject acme url values not in ACME DIRECTORY HOST ALLOWLIST, but the validation is only called at authority creation time POST. The authority update endpoint PUT /api/1/authorities/ accepts and stores arbitrary options -- includin...

CVE-2026-70666

Lemur manages TLS certificate creation. Prior to 1.9.3, an authority-role member could update acmeurl through PUT /api/1/authorities/ without revalidation and direct setupacmeclientnoretry to an attacker-controlled ACME server. ACME directory and order responses contain newNonce, newOrder,...

CVE-2026-71303

Lemur manages TLS certificate creation. Prior to 1.9.3, validateacmeurl enforced ACMEDIRECTORYHOSTALLOWLIST when an authority was created, but PUT /api/1/authorities/ passed options to lemur/authorities/service.py without applying the same check. A user holding an authority role could replace the...