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CVE-2026-77560 Tinyauth: forward-auth per-app ACL is matched case-sensitively against the (case-insensitive) hostname, letting an authenticated user reach apps they are not on the allowlist for

🗓️ 21 Sep 2026 16:39:18Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

Tinyauth is an authentication and authorization server. Prior to 5.1.2, Tinyauth compares forwarded hostnames case-sensitively while reverse proxies route equivalent hostnames case-insensitively, allowing an authenticated low-privilege user to byp...

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21 Sep 2026 16:39Current
CVSS 3.18.1
2