CVE-2026-11800
CVE-2026-11800: 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-2026-11800] org.keycloak:keycloak-services: Keycloak: Authentication bypass via JWT algorithm confusion
CVE-2026-11800Source published
org.keycloak:keycloak-services: Keycloak: Authentication bypass via JWT algorithm confusion. Red Hat rates this important (CVSS 8.1). Weakness: CWE-347. Affected package(s): rhbk/keycloak-rhel9:26.6, rhbk/keycloak-operator-bundle:26.6.4, rhbk/keycloak-rhel9-operator:26.6. Resolved in Red Hat advisory RHSA-2026:30083 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat build of Keycloak 26.6
- Source-reported affected versions
- rhbk/keycloak-rhel9:26.6-8
- rhbk/keycloak-operator-bundle:26.6.4-2
- rhbk/keycloak-rhel9-operator:26.6-8
- Source-reported fixed versions
- RHSA-2026:30083
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:30083 (`sudo dnf update` / `yum update`).
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