Vulnerability · Published Apr 29, 2025 · Assigned by redhat
CVE-2025-3910Org.keycloak.authentication: two factor authentication bypass
Medium 5.4
In plain English
A medium-severity improper authentication in keycloak. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 60.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.keycloak:keycloak-services | 26.2.2 | GHSA-5jfq-x6xp-7rw2 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| keycloak | 25.0.0 – before 25.*26.0.0 – before 26.0.1126.2.0 – before 26.2.2 | |
| Red Hat | Red Hat Build of Keycloak | see references |
| Red Hat | Red Hat build of Keycloak 26.0 | see references |
| Red Hat | Red Hat build of Keycloak 26.0 | see references |
| Red Hat | Red Hat build of Keycloak 26.0 | see references |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
References
- RHSA-2025:4335 vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4336 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-3910 vdb-entry, x_refsource_REDHAT
- RHBZ#2361923 issue-tracking, x_refsource_REDHAT
- https://github.com/keycloak/keycloak/issues/39349