Org.keycloak.authentication: two factor authentication bypass
Priority LOW 25CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-287.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0045 39th percentileScored 2026-11-07
Fix Fixed keycloak: 26.0.11, 26.2.2org.keycloak:keycloak-services (Maven): 26.2.2Red Hat: 2 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | keycloak | 25.0.0 and later; 26.0.0 to before 26.0.11; 26.2.0 to before 26.2.2 | 26.0.11, 26.2.2 | Patch available | CNA |
| Red Hat | Red Hat Build of Keycloak | — | — | Not affected | CNA |
| Red Hat | Red Hat build of Keycloak 26.0 | — | 26.0.11-2 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.0 | — | 26.0-12 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.0 | — | 26.0-13 | Patch available | CNA |
| — | org.keycloak:keycloak-services (Maven) | before 26.2.2 | 26.2.2 | Patch available | GHSA-5jfq-x6xp-7rw2 |
- keycloak Vendor— Affected 25.0.0 and later; 26.0.0 to before 26.0.11; 26.2.0 to before 26.2.2 Fixed in 26.0.11, 26.2.2 Patch available CNA
- Red Hat Build of Keycloak VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat build of Keycloak 26.0 VendorRed Hat Affected — Fixed in 26.0.11-2 Patch available CNA
- Red Hat build of Keycloak 26.0 VendorRed Hat Affected — Fixed in 26.0-12 Patch available CNA
- Red Hat build of Keycloak 26.0 VendorRed Hat Affected — Fixed in 26.0-13 Patch available CNA
- org.keycloak:keycloak-services (Maven) Vendor— Affected before 26.2.2 Fixed in 26.2.2 Patch available GHSA-5jfq-x6xp-7rw2
Remediation
- Fix · CNA keycloak Fixed in 26.0.11, 26.2.2
- Fix · GHSA-5jfq-x6xp-7rw2 org.keycloak:keycloak-services (Maven) Fixed in 26.2.2 Advisory →
Red Hat 2 advisories
- RHSA-2025:4335 Released 2025-04-29 · Red Hat rating ImportantRed Hat build of Keycloak 26.0.11 Images Update
- Red Hat build of Keycloak 26.0 rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator
- RHSA-2025:4336 Released 2025-04-29 · Red Hat rating ImportantRed Hat build of Keycloak 26.0.11 Update
- Red Hat Build of Keycloak
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Build of Keycloak | Fixed | RHSA-2025:4336 |
| Red Hat build of Keycloak 26.0 | Fixed | RHSA-2025:4335 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3910
- 2026-10-03 Alias added: GHSA-5jfq-x6xp-7rw2
References
Advisory 5
More Red Hat Build Of Keycloak vulnerabilities
- TI-2026-02223 Keycloak: keycloak: unauthorized authentication via disabled saml identity provider CVSS 3.1HIGH 8.1
- TI-2024-01049 Keycloak: path transversal in redirection validation CVSS 3.1HIGH 8.1
- TI-2026-13740 Keycloak-services: keycloak-services: saml idp-initiated broker login bypasses link-only restriction CVSS 3.1CRITICAL 9.8
- TI-2026-13741 Keycloak-services: keycloak-services: saml broker metadata import disables response signature validation CVSS 3.1CRITICAL 9.1
- TI-2026-13106 Keycloak-services: keycloak-services: dcr protocol mapper type-swap policy bypass allows privilege escalation CVSS 3.1HIGH 8.8
- TI-2026-02631 Authentication bypass in Red Hat build of Keycloak 26.2 CVSS 3.1HIGH 8.8
Sources
- CVE-2025-3910 · CVE Program
- CVE-2025-3910 · NVD
- FIRST EPSS
- GHSA-5jfq-x6xp-7rw2 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-3910 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences