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Vulnerabilities

Vulnerability · CVE-2026-25227

authentik is an open-source identity provider.

Published Feb 12, 2026 · catalog updated Feb 17, 2026 · authentik is an open-source

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-25227. EPSS is 0.89%. Act only if a listed version of authentik is an open-source is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (authentik is an open-source).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.89%
Remediation
Version ranges on file
Affected products
vendor goauthentik authentik 2021.3.1, < 2025.8.6

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor goauthentik authentik 2021.3.1, < 2025.8.62021.3.1, < 2025.8.6

How to fix CVE-2026-25227

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-25227. EPSS is 0.89%. Act only if a listed version of authentik is an open-source is installed.

Which versions are affected?

Compare what you have installed with goauthentik authentik 2021.3.1, < 2025.8.6 2021.3.1, < 2025.8.6. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.89%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 12, 2026 · EUVD

    Detected

    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. authe

  2. Feb 17, 2026 · EUVD

    Updated

    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. authe

Sources

  • CVE.orgVulnerability recordCVE-2026-25227

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-25227

    30-day exploitation probability 0.89%

    first.org
  • EUVDVulnerability recordEUVD-2026-6707

    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 authe

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 3, 2026