CVE-2026-25922 describes a critical vulnerability in authentik, an open-source identity provider, affecting versions prior to 2025.8.6, 2025.10.4, and 2025.12.4. This flaw allows an authenticated attacker to inject malicious SAML assertions if specific SAML Source verification settings are misconfigured, leading to potential unauthorized access. With a CVSS score of 8.8 (HIGH), the vulnerability has a low attack complexity and can result in high impact to confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2025.8.6CPE matchmatch criteria | cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:* | ||
>= 2025.10.0, < 2025.10.4CPE matchmatch criteria | cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:* | ||
>= 2025.12.0, < 2025.12.4CPE matchmatch criteria | cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.