Org.keycloak/keycloak-quarkus-server: unable to restrict access to the admin console
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-427.
Summary
A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to /realms which is expected to be exposed.
Why it matters now
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 | keycloak | before 26.4.4 | 26.4.4 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4.4-1 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4-3 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4-3 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4.4 | — | — | Not affected | CNA |
| — | org.keycloak:keycloak-quarkus-server (Maven) | before 26.4.4 | 26.4.4 | Patch available | GHSA-vjr8-56p3-fmqq |
- keycloak VendorKeycloak Affected before 26.4.4 Fixed in 26.4.4 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4.4-1 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4-3 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4-3 Patch available CNA
- Red Hat build of Keycloak 26.4.4 VendorRed Hat Affected — Fixed in — Not affected CNA
- org.keycloak:keycloak-quarkus-server (Maven) Vendor— Affected before 26.4.4 Fixed in 26.4.4 Patch available GHSA-vjr8-56p3-fmqq
Remediation
- Fix · CNA keycloak (Keycloak) Fixed in 26.4.4
- Fix · GHSA-vjr8-56p3-fmqq org.keycloak:keycloak-quarkus-server (Maven) Fixed in 26.4.4 Advisory →
Red Hat 2 advisories
- RHSA-2025:21371 Released 2025-11-13 · Red Hat rating ModerateRed Hat build of Keycloak 26.4.4 Images Security Update
- Red Hat build of Keycloak 26.4 rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator
- RHSA-2025:21370 Released 2025-11-13 · Red Hat rating ModerateRed Hat build of Keycloak 26.4.4 Security Update
- Red Hat build of Keycloak 26.4.4
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat build of Keycloak 26.4 | Fixed | RHSA-2025:21371 |
| Red Hat build of Keycloak 26.4.4 | Fixed | RHSA-2025:21370 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-10939
- 2026-10-03 Alias added: GHSA-vjr8-56p3-fmqq
References
More Keycloak vulnerabilities
- TI-2022-03994 Cross-site scripting in keycloak CVSS 3.1CRITICAL 10.0
- TI-2017-05120 It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens… CVSS 3.0CRITICAL 9.8
- TI-2017-08952 Weak password recovery in Red Hat Keycloak CVSS 3.0HIGH 8.8
- TI-2014-03024 The org.keycloak.services.resources.SocialResource.callback method in JBoss KeyCloak… CVSS 3.0HIGH 8.8
- TI-2026-01295 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users CVSS 3.1HIGH 8.1
- TI-2017-08950 Insufficient session expiration in Red Hat keycloak CVSS 3.0HIGH 7.5
Sources
- CVE-2025-10939 · CVE Program
- CVE-2025-10939 · NVD
- FIRST EPSS
- GHSA-vjr8-56p3-fmqq · GitHub Advisory Database · CC BY 4.0
- CVE-2025-10939 · 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