CVE-2026-9800
Last modified
CVE-2026-9800 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Build Of Keycloak | >= 26.4, < 26.4.13 |
| Redhat | Build Of Keycloak | >= 26.6, <= 26.6.4 |
References
- https://access.redhat.com/errata/RHSA-2026:30049Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30050Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30083Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30084Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-9800Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2482472Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30049Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30050Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30083Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:30084Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-9800Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2482472Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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