Vulnerability · Published Feb 12, 2026 · Assigned by GitHub_M

CVE-2026-25227authentik affected by Remote Code Execution via Context Key Injection in PropertyMapping Test Endpoint

Critical 9.1

In plain English

A critical-severity code injection in authentik from goauthentik. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.9%top 40.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

authentik is an open-source identity provider. From 2021.3.1 to before 2025.8.6, 2025.10.4, and 2025.12.4, when using delegated permissions, a User that has the permission Can view * Property Mapping or Can view Expression Policy is able to execute arbitrary code within the authentik server container through the test endpoint, which is intended to preview how a property mapping/policy works. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue.

Affected products (as reported)

VendorProductVersions
goauthentik authentik >= 2021.3.1, < 2025.8.6>= 2025.10.0-rc1, < 2025.10.4>= 2025.10.0-rc1, < 2025.12.4

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References