by Kastro
Paper/Archive/CVE-2026-25227

CVE-2026-25227

goauthentik authentik — authentik affected by Remote Code Execution via Context Key Injection in PropertyMapping Test Endpoint

EPSS 0.9%CVSS 9.1
critical.is priorityof 100
39
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 59.4.594 × 2011.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
authentik>= 2021.3.1, < 2025.8.6–CNA
authentik>= 2025.10.0-rc1, < 2025.10.4–CNA
authentik>= 2025.10.0-rc1, < 2025.12.4–CNA

Scores by source

GitHub_M (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/goauthentik/authentik/security/advisories/GHSA-qvxx-mfm6-626frefgithub.com/goauthentik/authentik/commit/c691afaef164cf73c10a26a944ef2f11dbb1ac80refgithub.com/goauthentik/authentik/releases/tag/version%2F2025.10.4refgithub.com/goauthentik/authentik/releases/tag/version%2F2025.12.4refgithub.com/goauthentik/authentik/releases/tag/version%2F2025.8.6