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NVD Vulnerability Details :
CVE-2026-25922
Received
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-12 Feb, 2026 | 20:16
Updated At-12 Feb, 2026 | 20:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-287Primarysecurity-advisories@github.com
CWE-347Primarysecurity-advisories@github.com
CWE ID: CWE-287
Type: Primary
Source: security-advisories@github.com
CWE ID: CWE-347
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/goauthentik/authentik/releases/tag/version%2F2025.10.4security-advisories@github.com
N/A
https://github.com/goauthentik/authentik/releases/tag/version%2F2025.12.4security-advisories@github.com
N/A
https://github.com/goauthentik/authentik/releases/tag/version%2F2025.8.6security-advisories@github.com
N/A
https://github.com/goauthentik/authentik/security/advisories/GHSA-jh35-c4cc-wjm4security-advisories@github.com
N/A
Hyperlink: https://github.com/goauthentik/authentik/releases/tag/version%2F2025.10.4
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/goauthentik/authentik/releases/tag/version%2F2025.12.4
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/goauthentik/authentik/releases/tag/version%2F2025.8.6
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/goauthentik/authentik/security/advisories/GHSA-jh35-c4cc-wjm4
Source: security-advisories@github.com
Resource: N/A
Change History
0Changes found
Details not found