Advisory details:
github_osv / GHSA-f5p5-6xmx-p252
| Advisory ID | github_osv/GHSA-f5p5-6xmx-p252 |
| Aliases |
CVE-2026-9800
|
| Summary | Keycloak vulnerable to authorization bypass via incorrect uri comparison ### Description 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. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 7.3 |
| Risk | 3.6 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| CWE-1025 | Comparison Using Wrong Factors |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 8.1 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-f5p5-6xmx-p252/GHSA-f5p5-6xmx-p252.json |
| generic_textual | HIGH |
| Reference id | Reference type | URL |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2026:30049 | ||
| https://access.redhat.com/errata/RHSA-2026:30050 | ||
| https://github.com/keycloak/keycloak | ||
| https://github.com/keycloak/keycloak/security/advisories/GHSA-f5p5-6xmx-p252 | ||
| https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-9800.json | ||
| CVE-2026-9800 | Advisory | https://access.redhat.com/security/cve/CVE-2026-9800 |
| CVE-2026-9800 | https://nvd.nist.gov/vuln/detail/CVE-2026-9800 | |
| RHSA-2026:30083 | Advisory | https://access.redhat.com/errata/RHSA-2026:30083 |
| RHSA-2026:30084 | Advisory | https://access.redhat.com/errata/RHSA-2026:30084 |
| RHSA-2026:36002 | Advisory | https://access.redhat.com/errata/RHSA-2026:36002 |
| RHSA-2026:36013 | Advisory | https://access.redhat.com/errata/RHSA-2026:36013 |
| RHSA-2026:50846 | Advisory | https://access.redhat.com/errata/RHSA-2026:50846 |
| RHSA-2026:50847 | Advisory | https://access.redhat.com/errata/RHSA-2026:50847 |
| show_bug.cgi?id=2482472 | Bug | https://bugzilla.redhat.com/show_bug.cgi?id=2482472 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
There are no SSVC decisions available.