CVE-2026-9803
CVE-2026-9803: 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 severityMedium5.3
Medium [CVE-2026-9803] Denial of Service via malformed Authorization header
CVE-2026-9803Source published
Denial of Service via malformed Authorization header. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-125. Affected package(s): rhbk/keycloak-operator-bundle:26.4.13, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9:26.4, rhbk/keycloak-operator-bundle:26.6.3, rhbk/keycloak-rhel9:26.6. Resolved in Red Hat advisory RHSA-2026:30049 — update the affected packages (`sudo dnf update`).
- Related products — impact not confirmed
- rhbk/keycloak-operator-bundle:26.4.13
- rhbk/keycloak-rhel9-operator:26.4
- rhbk/keycloak-rhel9:26.4
- rhbk/keycloak-operator-bundle:26.6.3
2 more entries in the full advisory.
- Source-reported affected versions
- rhbk/keycloak-operator-bundle:26.4.13-1
- rhbk/keycloak-rhel9-operator:26.4-19
- rhbk/keycloak-rhel9
- rhbk/keycloak-rhel9:26.4-19
3 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:30049
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:30049 (`sudo dnf update` / `yum update`).
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