CVE-2026-25227
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
3Tags
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.
Analysis
Code injection in authentik identity provider from 2021.3.1 through multiple versions. Users with delegated permissions can inject code. …
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Remediation
Within 24 hours: Inventory all authentik instances and notify stakeholders of patch availability; assess current version against vulnerability. Within 7 days: Apply available patch to all authentik deployments in production and non-production environments; validate functionality post-patch. …
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External POC / Exploit Code
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