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...

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-2026-77279

Name of the Vulnerable Software and Affected Versions Lemur versions prior to 1.9.3 Description A member with an authority role can update the acme url via the 'PUT /api/1/authorities/' endpoint without revalidation. This allows the setup acme client no retry function to be directed to an...

PT-2026-77281

Name of the Vulnerable Software and Affected Versions Lemur versions prior to 1.9.3 Description An issue exists where the validate acme url function fails to enforce the ACME DIRECTORY HOST ALLOWLIST when updating authority options via the 'PUT /api/1/authorities/' endpoint. A user with an...

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 ...