CVE record · CVE-2026-46579

Openshift/router: openshift/router: mtls client certificate spoofing via unstripped x-ssl-client headers on http frontend

CVSS 7.4 HighEPSS 0.0045 · 38th 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 4.12 Package name: openshift4/ose-haproxy-router https://catalog.redhat.com/software/containers/
  • unaffected 1784323891 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.13 Package name: openshift4/ose-haproxy-router https://catalog.redhat.com/software/containers/
  • unaffected 1784056734 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.14 Package name: openshift4/ose-haproxy-router https://catalog.redhat.com/software/containers/
  • unaffected 1784587649 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.15 Package name: openshift4/ose-haproxy-router https://catalog.redhat.com/software/containers/
  • unaffected 1784580646 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.16 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1784331638 to before * rpm
Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4.17 Package name: openshift4/ose-haproxy-router-rhel9 https://catalog.redhat.com/software/containers/
  • unaffected 1784321465 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 1783719377 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 1783445642 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 1781639027 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 1781552170 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 1781643967 to before * rpm
Other versions: affected
Identifiers
CVE-2026-46579
CNA
redhat
Weakness (CWE)
CWE-287
Published
29 May 2026
Updated
10 Sept 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
7.4 High 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CNA (redhat)Used for this record
7.4 High 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N ADP (redhat-SADP)
  • CISA KEV Not listed.
  • EPSS 0.0045, the 38th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 29 May 2026. New records show when each source confirmed them.

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.