{"id":"CVE-2026-46579","title":"A flaw was found in the OpenShift Router","summary":"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 p…","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-287"],"vendor":"redhat","product":"openshift_container_platform","affected":["openshift_container_platform = 4.0","openshift_router"],"published":"2026-05-29","updated":"2026-09-10","sourceUpdated":"2026-09-10T13:20:19.130","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46579","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:27009","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:27044","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:27063","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:37580","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:40022","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:40828","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:43227","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:43253","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:43331","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:47703","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:47728","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-46579","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2483181","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:27009","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:27044","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:27063","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:37580","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:40022","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:40828","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:43227","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:43253","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:43331","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:47703","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:47728","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-46579","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2483181","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46579.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-05-29T13:16:55.280769Z"},"epss":0.00447,"epssPercentile":0.38222,"ingestedAt":"2026-07-16T02:48:55.035Z","slug":"CVE-2026-46579","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `openshift_container_platform = 4.0`\n- `openshift_router`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}