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CVE-2026-25748 authentik has a forward authentication bypass with broken cookie

🗓️ 12 Feb 2026 19:36:45Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Malformed cookie allows authentication bypass in authentik forward authentication with Traefik and Caddy reverse proxies; fixes exist.

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17 Apr 2026 04:57Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.18.6
EPSS0.00479
3