How severe is CVE-2026-25922?

CVE-2026-25922 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-25922 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25922?

CVE-2026-25922 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25922?

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

Does CVE-2026-25922 have an EU (EUVD) identifier?

Yes. CVE-2026-25922 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6701.

When was CVE-2026-25922 published?

CVE-2026-25922 was published on 2026-02-12 and last updated on 2026-06-17.

CVE-2026-25922

CVE-2026-25922 is a high-severity vulnerability in Goauthentik Authentik with a CVSS 3.x base score of 8.8. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6701
Weakness: CWE-287
Affected product: Goauthentik Authentik
Published: 2026-02-12
Last modified: 2026-06-17

Description

authentik is an open-source identity provider. Prior to 2025.8.6, 2025.10.4, and 2025.12.4, when using a SAML Source that has the option Verify Assertion Signature under Verification Certificate enabled and not Verify Response Signature, or does not have the Encryption Certificate setting under Advanced Protocol settings configured, it was possible for an attacker to inject a malicious assertion before the signed assertion that authentik would use instead. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue.

Frequently asked questions

What is CVE-2026-25922?: authentik is an open-source identity provider. Prior to 2025.8.6, 2025.10.4, and 2025.12.4, when using a SAML Source that has the option Verify Assertion Signature under Verification Certificate enabled and not Verify Response Signature, or does not have the Encryption Certificate setting under Advanced Protocol settings configured, it was possible for an attacker to inject a malicious assertion before the signed assertion that authentik would use instead. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue.
How severe is CVE-2026-25922?: CVE-2026-25922 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-25922 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25922?: CVE-2026-25922 affects Goauthentik Authentik. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25922?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-25922 have an EU (EUVD) identifier?: Yes. CVE-2026-25922 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6701.
When was CVE-2026-25922 published?: CVE-2026-25922 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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