CVE-2026-98008.1HighCWE-1025

CVE-2026-9800: Keycloak-policy-enforcer: keycloak policy enforcer: authorization bypass via incorrect uri comparison

Red Hat · Red Hat build of Keycloak 26.4

Vendor fix available · Affected: Red Hat build of Keycloak 26.4 · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.7%probability of exploitation in the next 30 days

51st percentile

050100

Higher than 51% of scored CVEs

8.1HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products17

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4Versions not stated
Red Hat · Red Hat build of Keycloak 26.4.13Versions not stated
Red Hat · Red Hat build of Keycloak 26.4.14Versions not stated
Red Hat · Red Hat build of Keycloak 26.6Versions not stated
Red Hat · Red Hat build of Keycloak 26.6Versions not stated
Red Hat · Red Hat build of Keycloak 26.6Versions not stated
Red Hat · Red Hat build of Keycloak 26.6.4Versions not stated
Red Hat · Red Hat build of Quarkus 3.27.4.SP2Versions not stated
Red Hat · Red Hat build of Quarkus 3.33.2.SP2Versions not stated
Red Hat · Red Hat build of QuarkusVersions not stated
Red Hat · Red Hat JBoss Enterprise Application Platform Expansion PackVersions not stated
Red Hat · Red Hat Single Sign-On 7Versions not stated

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Comparison Using Wrong Factors · Input Validation and Logic
Vendor: Red Hat
Published: June 2026
Band: Unlikely (under 1%), June 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-9800 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.