Medium severity · published Apr 29, 2025
CVE-2025-3910
Org.keycloak.authentication: two factor authentication bypass
5.4
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat build of Keycloak 26.0 · Red Hat
All versions, or not specified · source: vendor
BO
Build OF Keycloak · Redhat
26.0 before 26.0.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3910
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3910
Vendor Advisory
https://access.redhat.com/errata/RHSA-2025:4335
Vendor Advisory
https://access.redhat.com/errata/RHSA-2025:4336
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2025-3910
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2361923
Issue Tracking
https://github.com/keycloak/keycloak/issues/39349
More from Red Hat build of Keycloak 26.0
8.2
CVE-2025-3501
Org.keycloak.protocol.services: keycloak hostname verification
7.5
CVE-2025-11419
Keycloak: keycloak tls client-initiated renegotiation denial of service
7.1
CVE-2025-7365
Keycloak: phishing attack via email verification step in first login flow
6.5
CVE-2024-11734
Org.keycloak:keycloak-quarkus-server: denial of service in keycloak server via security headers
6.5
CVE-2024-10270
Org.keycloak:keycloak-services: keycloak denial of service