CVE-2026-3872
CVE-2026-3872: 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 severityHigh7.3
High [CVE-2026-3872] Information disclosure due to redirect_uri validation bypass
CVE-2026-3872Source published
Information disclosure due to redirect_uri validation bypass. Red Hat rates this important (CVSS 7.3). Weakness: CWE-601. 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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