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CVE-2026-57580 authentik: Account Takeover via SAML NameID Comment Truncation

🗓️ 18 Aug 2026 17:00:19Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

authentik SAML NameID comment truncation in USERNAME_LINK or EMAIL_LINK modes allows account takeover without victim password or IdP private key.

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20 Aug 2026 03:54Current
5.6Medium risk
Vulners AI Score5.6
CVSS 49.4
2