CVE-2026-94612 authentik - Authentication Bypass

authentik < 2026.2.7, < 2026.5.7, < 2026.8.2 contains an authentication bypass caused by improper validation of SAML assertion issuer and replay protection in SAML Source, letting unauthenticated actors authenticate as users with valid assertions, exploit requires possession of valid assertion.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
24 September 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to versions 2026.2.7, 2026.5.7, or 2026.8.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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