{"id":"CVE-2026-75034","title":"A flaw was found in Rancher Manager","summary":"A flaw was found in Rancher Manager. The SAML assertion replay protection introduced by the fix for CVE-2026-44946 recorded consumed assertion IDs in a per-process cache, so each replica only detected replays that reached the same pod. I…","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-294"],"vendor":"suse","product":"rancher","affected":["rancher < 2.15.1"],"patched":["rancher 2.15.1"],"published":"2026-09-03","updated":"2026-09-18","sourceUpdated":"2026-09-18T14:37:50.827","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75034","references":[{"url":"https://github.com/rancher/rancher/releases/tag/v2.15.1","label":"meissner@suse.de"}],"tags":["nvd"],"epss":0.00323,"epssPercentile":0.22746,"ingestedAt":"2026-09-18T14:43:13.028Z","slug":"CVE-2026-75034","body":"## Overview\n\nA flaw was found in Rancher Manager. The SAML assertion replay protection introduced by the fix for CVE-2026-44946 recorded consumed assertion IDs in a per-process cache, so each replica only detected replays that reached the same pod. In a high-availability deployment, an attacker holding a captured assertion could replay it once against every other replica to obtain additional authenticated sessions as the victim.\n\n\nThis issue affects Rancher: before 2.15.1.\n\n## Affected\n\n- `rancher < 2.15.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `rancher 2.15.1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}