CVE-2026-46579A flaw was found in the OpenShift Router.
Updated under an hour ago ()
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It affects redhat openshift_container_platform and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A flaw was found in the OpenShift Router. When a Route has `insecureEdgeTerminationPolicy` set to Allow, the HTTP frontend does not remove `X-SSL-Client-*` headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted `X-SSL-Client-*` headers. As a result, backends relying on these headers for mutual TLS (Transport Layer Security) authentication can be bypassed, enabling the attacker to impersonate client certificate identities.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
redhat openshift_container_platform redhat:openshift_container_platform | 4.0 | NVD |
redhat openshift_router redhat:openshift_router | all versions | NVD |
References
- https://access.redhat.com/errata/RHSA-2026:27009
- https://access.redhat.com/errata/RHSA-2026:27044
- https://access.redhat.com/errata/RHSA-2026:27063
- https://access.redhat.com/errata/RHSA-2026:37580
- https://access.redhat.com/errata/RHSA-2026:40022
- https://access.redhat.com/errata/RHSA-2026:40828
- https://access.redhat.com/errata/RHSA-2026:43227
- https://access.redhat.com/errata/RHSA-2026:43253
- https://access.redhat.com/errata/RHSA-2026:43331
- https://access.redhat.com/errata/RHSA-2026:47703
- https://access.redhat.com/errata/RHSA-2026:47728
- https://access.redhat.com/security/cve/CVE-2026-46579vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2483181issue-tracking, vendor-advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46579.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.