Medium6.8Red Hat & Ubuntu Linux
Unauthorized account takeover via WebAuthn token replay
CVE-2026-37982 Published May 19, 2026
CVE-2026-37982
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Unauthorized account takeover via WebAuthn token replay. Red Hat rates this moderate (CVSS 6.8). Affected package(s): rhbk/keycloak-rhel9, rhbk/keycloak-operator-bundle:26.4.12, rhbk/keycloak-rhel9:26.4, rhbk/keycloak-rhel9-operator:26.4. Resolved in Red Hat advisory RHSA-2026:19596 — update the affected packages (`sudo dnf update`).
Affected versions
- rhbk/keycloak-rhel9
- rhbk/keycloak-operator-bundle:26.4.12-1
- rhbk/keycloak-rhel9:26.4-17
- rhbk/keycloak-rhel9-operator:26.4-17
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:19596
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:19596 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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