Lemur: Incomplete fix for GHSA-v2wp-frmc-5q3v -- ACME authority update endpoint allows non-admin to replace `acme_url` with internal IP, bypassing allowlist

Summary The fix for GHSA-v2wp-frmc-5q3v added validateacmeurl to reject acmeurl values not in ACMEDIRECTORYHOSTALLOWLIST, but the validation is only called at authority creation time POST. The authority update endpoint PUT /api/1/authorities/ accepts and stores arbitrary options -- including a...

PT-2026-77281

Lemur manages TLS certificate creation. Prior to 1.9.3, validate acme url enforced ACME DIRECTORY HOST ALLOWLIST 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 replac...

PT-2026-77279

Lemur manages TLS certificate creation. Prior to 1.9.3, an authority-role member could update acme url through PUT /api/1/authorities/ without revalidation and direct setup acme client no retry to an attacker-controlled ACME server. ACME directory and order responses contain newNonce, newOrder,...

K16937: OpenSSL vulnerability CVE-2015-1793

Security Advisory Description Description The X509verifycert function in crypto/x509/x509vfy.c in OpenSSL 1.0.1n, 1.0.1o, 1.0.2b, and 1.0.2c does not properly process X.509 Basic Constraints CA values during identification of alternative certificate chains, which allows remote attackers to spoof ...