{"id":"CVE-2026-44946","aliases":["EUVD-2026-40304","GHSA-c5jm-xcmq-9j95"],"status":"published","title":"SAML Authentication Replay in Rancher","description":"A SAML authentication replay vulnerability in Rancher's Assertion\n Consumer Service (ACS) handler did not enforce \none-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,","severity":{"version":"4.0","score":9.5,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00387,"percentile":0.33079,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-294"],"published":"2026-06-30T12:14:54Z","modified":"2026-10-28T02:30:38Z","products":[{"vendor":"suse","product":"rancher"}],"references":[{"url":"https://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95","tags":["vendor-advisory","Vendor Advisory","Mitigation","advisory"]},{"url":"https://github.com/rancher/rancher/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44946.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44946","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-44946","title":"SAML Authentication Replay in Rancher","description":"A SAML authentication replay vulnerability in Rancher's Assertion\n Consumer Service (ACS) handler did not enforce \none-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,","status":"published","published":"2026-06-30T12:14:54.269Z","modified":"2026-07-01T03:55:46.881Z","cvss":[{"version":"4.0","score":9.5,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H","level":"critical","assessor":"cna"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T13:42:49.132798Z"}],"euvd":[{"id":"EUVD-2026-40304","description":"A SAML authentication replay vulnerability in Rancher's Assertion\n Consumer Service (ACS) handler did not enforce \none-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,","status":"published","published":"2026-06-30T12:14:54Z","modified":"2026-07-01T03:55:46Z","cvss":[{"version":"4.0","score":9.5,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H","level":"critical"}],"updated_at":"2026-11-02T18:20:20.762369Z"}],"nvd":[{"id":"CVE-2026-44946","description":"A SAML authentication replay vulnerability in Rancher's Assertion\n Consumer Service (ACS) handler did not enforce \none-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,","status":"published","published":"2026-06-30T13:18:42.19Z","modified":"2026-07-02T19:58:48.54Z","cvss":[{"version":"4.0","score":9.5,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:12:26.508751Z"}],"osv":[{"id":"CVE-2026-44946","title":"SAML Authentication Replay in Rancher","description":"A SAML authentication replay vulnerability in Rancher's Assertion\n Consumer Service (ACS) handler did not enforce \none-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,","status":"published","published":"2026-06-30T12:14:54.269Z","modified":"2026-10-28T02:30:38.684698447Z","cvss":[{"version":"4.0","score":9.5,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H","level":"critical"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T15:45:05.172514Z"}]}}