CVE-2026-4636
CVE-2026-4636: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.1
High [CVE-2026-4636] UMA policy bypass allows authenticated users to gain unauthorized access to victim-owned resources.
CVE-2026-4636Source published
UMA policy bypass allows authenticated users to gain unauthorized access to victim-owned resources.. Red Hat rates this important (CVSS 8.1). Weakness: CWE-551. Affected package(s): rhbk/keycloak-rhel9-operator:26.2, rhbk/keycloak-rhel9, rhbk/keycloak-operator-bundle:26.4.11, rhbk/keycloak-rhel9:26.2, rhbk/keycloak-operator-bundle:26.2.15, rhbk/keycloak-rhel9-operator:26.4. Resolved in Red Hat advisory RHSA-2026:6478 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat build of Keycloak 26.2
- Red Hat build of Keycloak 26.4
- Source-reported affected versions
- rhbk/keycloak-rhel9-operator:26.2-18
- rhbk/keycloak-rhel9
- rhbk/keycloak-operator-bundle:26.4.11-1
- rhbk/keycloak-rhel9:26.2-18
3 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:6478
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:6478 (`sudo dnf update` / `yum update`).
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