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High8.1Red Hat Linux

High [CVE-2026-7504] Open redirect when using wildcard valid redirect URIs in Keycloak

This high-severity Red Hat Linux advisory covers CVE-2026-7504 affecting Red Hat build of Keycloak 26.2.16, Red Hat build of Keycloak 26.4.12.

CVE-2026-7504 Published May 19, 2026
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Open redirect when using wildcard valid redirect URIs in Keycloak. Red Hat rates this important (CVSS 8.1).

Weakness: CWE-601. Affected package(s): rhbk/keycloak-rhel9-operator, rhbk/keycloak-operator-bundle:26.4.12, rhbk/keycloak-operator-bundle:26.2.16, rhbk/keycloak-rhel9-operator:26.2, rhbk/keycloak-rhel9:26.4, rhbk/keycloak-rhel9:26.2.

Resolved in Red Hat advisory RHSA-2026:19594 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat build of Keycloak 26.2.16; Red Hat build of Keycloak 26.4.12.

Affected versions
  • rhbk/keycloak-rhel9-operator
  • rhbk/keycloak-operator-bundle:26.4.12-1
  • rhbk/keycloak-operator-bundle:26.2.16-1
  • rhbk/keycloak-rhel9-operator:26.2-21
  • rhbk/keycloak-rhel9:26.4-17
  • rhbk/keycloak-rhel9:26.2-21
  • rhbk/keycloak-rhel9-operator:26.4-17

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:19594

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:19594 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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