CVE-2025-3910
Org.keycloak.authentication: two factor authentication bypass
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication.
| CWE | CWE-287 |
| Published | Apr 29, 2025 |
| Last Updated | Jan 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Red Hat / Red Hat Build of Keycloak
All versions affected Red Hat / Red Hat build of Keycloak 26.0
All versions affected Red Hat / Red Hat build of Keycloak 26.0
All versions affected Red Hat / Red Hat build of Keycloak 26.0
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2025:4335 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:4336 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-3910 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2361923 github.com: https://github.com/keycloak/keycloak/issues/39349
Credits
This issue was discovered by Marek Posolda (Red Hat).