CVE-2026-15243 Improper Validation of Certificate in CAS Client

Apereo CAS Client accepts any CA-trusted certificate for any hostname, provided the URL the client is calling matches the configured allowlist or regex. An attacker with a MITM position DNS poisoning, rogue Wi-Fi, malicious proxy, etc. can provide any CA-signed certificate for a hostname that...

GHSA-HXF2-GM22-7VCM Emissary has a Path Traversal via Blacklist Bypass in Configuration API

Summary The configuration API endpoint /api/configuration/name validated configuration names using a blacklist approach that checked for , /, .., and trailing .. This could potentially be bypassed using URL-encoded variants, double-encoding, or Unicode normalization to achieve path traversal and...

Emissary has a Path Traversal via Blacklist Bypass in Configuration API

Summary The configuration API endpoint /api/configuration/name validated configuration names using a blacklist approach that checked for , /, .., and trailing .. This could potentially be bypassed using URL-encoded variants, double-encoding, or Unicode normalization to achieve path traversal and...