Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.34 bug fix and security update

🗓️ 18 Aug 2026 11:11:01Reported by RedHatType

redhat🔗 access.redhat.com👁 36 Views

OpenShift Container Platform 4.20.34 security update rated Important with CVSS scores for CVEs.

Reporter	Title	Published	Views	Family All 1000
IBM Security Bulletins	Security Bulletin: The following vulnerabilities that can affect IBM Storage Scale Cluster Export Services (CES) S3 are now addressed in 5.2.3.9 or higher and 6.0.1.0 or higher	24 Jul 202615:52	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Financial Transaction Manager is impacted by multiple vulnerabilities in RedHat Proxy for Kubernetes RBAC authorization	13 Oct 202618:23	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple vulnerabilities addressed in IBM SevOne Network Performance Management for October 2026	30 Oct 202613:37	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Financial Transaction Manager is impacted by multiple vulnerabilities in RedHat Proxy for Kubernetes RBAC authorization	27 Aug 202619:23	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Verify Antenna is affected by multiple vulnerabilities	6 Oct 202614:22	–	ibm
IBM Security Bulletins	Security Bulletin: Platform Navigator and Automation Assets in IBM Cloud Pak for Integration are vulnerable to multiple vulnerabilities in net	2 Jul 202612:43	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple vulnerabilities affect Data Virtualization on IBM Software Hub (June 2026 - Part 2 of 2)	7 Jul 202607:24	–	ibm
IBM Security Bulletins	Security Bulletin: IBM WebSphere Liberty Operator is affected by multiple vulnerabilities	24 Jun 202616:24	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses golang.org/x/net-v0.47.0 which is vulnerable to CVE-2026-25680, CVE-2026-25681, CVE-2026-27136, CVE-2026-33814, CVE-2026-39821, CVE-2026-42502, CVE-2026-42506	3 Aug 202608:27	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to improper restrictions and Cross-site Scripting in Golang go	22 Oct 202617:26	–	ibm

Source	Link
access	www.access.redhat.com/security/cve/CVE-2026-25681
access	www.access.redhat.com/security/cve/CVE-2026-39820
access	www.access.redhat.com/security/cve/CVE-2026-42499
access	www.access.redhat.com/security/cve/CVE-2026-42965
access	www.access.redhat.com/security/cve/CVE-2026-44918
access	www.access.redhat.com/security/cve/CVE-2026-50236
access	www.access.redhat.com/security/cve/CVE-2026-50237
access	www.access.redhat.com/security/updates/classification/

13 Nov 2026 13:40Current

6.5Medium risk

Vulners AI Score6.5

CVSS 3.17.5 - 7.7

EPSS0.00798

SSVC

OpenShift Container Platform security update bug fix Important CVSS Kubernetes Red Hat container images