How severe is CVE-2026-25227?

CVE-2026-25227 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-25227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25227?

CVE-2026-25227 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25227?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-25227 have an EU (EUVD) identifier?

Yes. CVE-2026-25227 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6707.

When was CVE-2026-25227 published?

CVE-2026-25227 was published on 2026-02-12 and last updated on 2026-06-17.

CVE-2026-25227

CVE-2026-25227 is a critical-severity vulnerability in Goauthentik Authentik with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6707
Weakness: CWE-94
Affected product: Goauthentik Authentik
Published: 2026-02-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-25227?: 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.
How severe is CVE-2026-25227?: CVE-2026-25227 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-25227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25227?: CVE-2026-25227 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-25227 have an EU (EUVD) identifier?: Yes. CVE-2026-25227 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6707.
When was CVE-2026-25227 published?: CVE-2026-25227 was published on 2026-02-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*

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