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CVE record · CVE-2026-42965

Openshift/router: openshift/router: cloud metadata ssrf via fqdn-typed endpointslice bypasses destination validation

CVSS 7.7 HighEPSS 0.0040 · 33rd percentile

Published by the CVE Program (CNA: redhat) at 29 May 2026, 09:50 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat OpenShift Container Platform 4.17 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1789938693 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.18 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1788578875 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.19 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1786771399 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.20 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1786496552 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.21 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1786498169 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.22 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1786584196 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4 Package name: openshift4/ose-haproxy-router https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat OpenShift Container Platform 5 Package name: openshift5/ose-haproxy-router-rhel9 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2026-42965
CNA
redhat
Weakness (CWE)
CWE-918
Tags
Published
29 May 2026
Updated
4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.7 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CNA (redhat)Used for this record
7.7 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N ADP (redhat-SADP)
  • CISA KEV Not listed.
  • EPSS 0.0040, the 33rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 29 May 2026, 09:50 UTC Confirmed by the CVE List
  2. 29 May 2026, 11:16 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.