Keycloak-policy-enforcer: keycloak policy enforcer: authorization bypass via incorrect uri comparison
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Partial Red Hat: 7 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4.13-1 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4-19 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4-19 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4.14-1 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4-22 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4 | — | 26.4-22 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.4.13 | — | — | Not affected | CNA |
| Red Hat | Red Hat build of Keycloak 26.4.14 | — | — | Not affected | CNA |
| Red Hat | Red Hat build of Keycloak 26.6 | — | 26.6.4-2 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.6 | — | 26.6-8 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.6 | — | 26.6-8 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.6.4 | — | — | Not affected | CNA |
| Red Hat | Red Hat build of Quarkus 3.27.4.SP2 | — | 26.0.10.redhat-00001 | Patch available | CNA |
| Red Hat | Red Hat build of Quarkus 3.33.2.SP2 | — | 26.0.10.redhat-00001 | Patch available | CNA |
| Red Hat | Red Hat build of Quarkus | — | — | No fix listed | CNA |
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack | — | — | Not affected | CNA |
| Red Hat | Red Hat Single Sign-On 7 | — | — | No fix listed | CNA |
| — | org.keycloak:keycloak-services (Maven) | before 26.6.4 | 26.6.4 | Patch available | GHSA-f5p5-6xmx-p252 |
| — | org.keycloak:keycloak-policy-enforcer (Maven) | before 26.0.10 | 26.0.10 | Patch available | GHSA-f5p5-6xmx-p252 |
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4.13-1 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4-19 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4-19 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4.14-1 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4-22 Patch available CNA
- Red Hat build of Keycloak 26.4 VendorRed Hat Affected — Fixed in 26.4-22 Patch available CNA
- Red Hat build of Keycloak 26.4.13 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat build of Keycloak 26.4.14 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat build of Keycloak 26.6 VendorRed Hat Affected — Fixed in 26.6.4-2 Patch available CNA
- Red Hat build of Keycloak 26.6 VendorRed Hat Affected — Fixed in 26.6-8 Patch available CNA
- Red Hat build of Keycloak 26.6 VendorRed Hat Affected — Fixed in 26.6-8 Patch available CNA
- Red Hat build of Keycloak 26.6.4 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat build of Quarkus 3.27.4.SP2 VendorRed Hat Affected — Fixed in 26.0.10.redhat-00001 Patch available CNA
- Red Hat build of Quarkus 3.33.2.SP2 VendorRed Hat Affected — Fixed in 26.0.10.redhat-00001 Patch available CNA
- Red Hat build of Quarkus VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat JBoss Enterprise Application Platform Expansion Pack VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Single Sign-On 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
- org.keycloak:keycloak-services (Maven) Vendor— Affected before 26.6.4 Fixed in 26.6.4 Patch available GHSA-f5p5-6xmx-p252
- org.keycloak:keycloak-policy-enforcer (Maven) Vendor— Affected before 26.0.10 Fixed in 26.0.10 Patch available GHSA-f5p5-6xmx-p252
Remediation
- Fix · GHSA-f5p5-6xmx-p252 org.keycloak:keycloak-services (Maven) Fixed in 26.6.4 Advisory →
- Fix · GHSA-f5p5-6xmx-p252 org.keycloak:keycloak-policy-enforcer (Maven) Fixed in 26.0.10 Advisory →
Red Hat 8 advisories
- RHSA-2026:50847 Released 2026-08-05 · Red Hat rating ImportantRed Hat build of Keycloak 26.4.14 Images Security Update
- Red Hat build of Keycloak 26.4 rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator
- RHSA-2026:50846 Released 2026-08-05 · Red Hat rating ImportantRed Hat build of Keycloak 26.4.14 Security Update
- Red Hat build of Keycloak 26.4.14
- RHSA-2026:36013 Released 2026-07-08 · Red Hat rating ImportantRed Hat build of Quarkus 3.33.2.SP2 security update
- Red Hat build of Quarkus 3.33.2.SP2 com.fasterxml.jackson.core.jackson-databind-2.21.4.redhat-00002.jar, io.micrometer.micrometer-core-1.16.6.redhat-00001.jar, org.keycloak.keycloak-policy-enforcer-26.0.10.redhat-00001.jar
Show 5 more Red Hat advisories
- RHSA-2026:36002 Released 2026-07-08 · Red Hat rating ImportantRed Hat build of Quarkus 3.27.4.SP2 security update
- Red Hat build of Quarkus 3.27.4.SP2 com.fasterxml.jackson.core.jackson-databind-2.21.4.redhat-00002.jar, io.micrometer.micrometer-core-1.14.7.redhat-00002.jar, org.keycloak.keycloak-policy-enforcer-26.0.10.redhat-00001.jar
- RHSA-2026:30084 Released 2026-06-25 · Red Hat rating ImportantRed Hat build of Keycloak 26.6.4 Images Security Update
- Red Hat build of Keycloak 26.6 rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator
- RHSA-2026:30083 Released 2026-06-25 · Red Hat rating ImportantRed Hat build of Keycloak 26.6.4 Security Update
- Red Hat build of Keycloak 26.6.4
- RHSA-2026:30050 Released 2026-06-25 · Red Hat rating ImportantRed Hat build of Keycloak 26.4.13 Images Security Update
- Red Hat build of Keycloak 26.4 rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator
- RHSA-2026:30049 Released 2026-06-25 · Red Hat rating ImportantRed Hat build of Keycloak 26.4.13 Security Update
- Red Hat build of Keycloak 26.4.13
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Single Sign-On 7 | Affected | No fix planned: Out of support scope |
| Red Hat build of Quarkus | Affected | No fix planned: Out of support scope |
| Red Hat build of Keycloak 26.4 | Fixed | RHSA-2026:30050, RHSA-2026:50847 |
| Red Hat build of Keycloak 26.4.13 | Fixed | RHSA-2026:30049 |
| Red Hat build of Keycloak 26.4.14 | Fixed | RHSA-2026:50846 |
| Red Hat build of Keycloak 26.6 | Fixed | RHSA-2026:30084 |
| Red Hat build of Keycloak 26.6.4 | Fixed | RHSA-2026:30083 |
| Red Hat build of Quarkus 3.27.4.SP2 | Fixed | RHSA-2026:36002 |
| Red Hat build of Quarkus 3.33.2.SP2 | Fixed | RHSA-2026:36013 |
Not affected: 3 products
- Red Hat JBoss Enterprise Application Platform Expansion Pack
- Red Hat build of Quarkus 3.27.4.SP2
- Red Hat build of Quarkus 3.33.2.SP2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9800
- 2026-10-03 Alias added: GHSA-79qw-g39g-mfxc
- 2026-10-09 Fix available: RHSA-2026:36013 · Red Hat
- 2026-10-09 Fix available: RHSA-2026:36002 · Red Hat
- 2026-10-15 Affected versions changed · CNA
- 2026-10-16 EPSS moved to the 50th–90th percentile
- 2026-10-16 Fix available: Red Hat build of Quarkus 3.27.4.SP2, Red Hat build of Quarkus 3.33.2.SP2 · Red Hat
- 2026-10-20 Fix available: org.keycloak/[email protected] · CNA
- 2026-10-20 Affected versions changed · Red Hat
- 2026-10-29 Alias added: GHSA-f5p5-6xmx-p252
- 2026-10-29 Fix available: Maven/org.keycloak:[email protected], Maven/org.keycloak:[email protected] · GHSA-f5p5-6xmx-p252
- 2026-10-29 CVSS score added · GHSA-f5p5-6xmx-p252
- 2026-10-29 Weakness changed · GHSA-f5p5-6xmx-p252
- 2026-10-29 14 new references · GHSA-f5p5-6xmx-p252
References
Advisory 12
- RHSA-2026:30049
- RHSA-2026:30050
- RHSA-2026:30083
- RHSA-2026:30084
- RHSA-2026:36002
- RHSA-2026:36013
- RHSA-2026:50846
- RHSA-2026:50847
- https://access.redhat.com/security/cve/CVE-2026-9800
- RHBZ#2482472
- https://nvd.nist.gov/vuln/detail/CVE-2026-9800
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-9800.json
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-2026-9800 · CVE Program
- CVE-2026-9800 · NVD
- FIRST EPSS
- GHSA-79qw-g39g-mfxc · GitHub Advisory Database · CC BY 4.0
- GHSA-f5p5-6xmx-p252 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-9800 · 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