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9.9

OpenShift Container Platform 4.9.56 Security Update: Unpatched Vulnerability Exposed

published 1 month ago
Summary

A security update has been released for OpenShift Container Platform 4.9.56, which fixes a previously unknown vulnerability. This vulnerability could allow an attacker to access sensitive data or take control of the system. Users should update their OpenShift Container Platform to the latest version to ensure they have the latest security patches.

What to do
  • Update redhat jenkins-2-plugins to version 0:4.9.1675668922-1.el8.
  • Update redhat jenkins to version 0:2.361.1.1675668150-1.el8.
Affected software
Ecosystem VendorProductAffected versions
Red Hat:openshift:4.9::el8 redhat jenkins-2-plugins < 0:4.9.1675668922-1.el8
Fix: upgrade to 0:4.9.1675668922-1.el8
Red Hat:openshift:4.9::el8 redhat jenkins < 0:2.361.1.1675668150-1.el8
Fix: upgrade to 0:2.361.1.1675668150-1.el8
Original advisory text
Red Hat Security Advisory: OpenShift Container Platform 4.9.56 security update
References
Severity
9.9 Critical
CVSS 3.1: 9.9 (OSV)
Timeline
Published5 Aug 2026
Updated21 Aug 2026
First seen26 Mar 2026
Sources
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