{"id":"CVE-2026-75034","state":"PUBLISHED","title":"Rancher: SAML Assertion Replay","description":"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. 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.","publishedAt":"2026-09-03T15:01:16.635Z","updatedAt":"2026-09-04T03:56:03.896Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"suse"},"assigner":"suse","products":["SUSE Rancher"],"affected":[{"vendor":"SUSE","product":"Rancher","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.15.1","versionType":"semver"}],"repo":"https://github.com/rancher/rancher"}],"references":["https://github.com/rancher/rancher/releases/tag/v2.15.1"],"weaknesses":["CWE-294"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/75xxx/CVE-2026-75034.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75034","state":"PUBLISHED","datePublished":"2026-09-03T15:01:16.635Z","dateUpdated":"2026-09-04T03:56:03.896Z","assignerShortName":"suse","assignerOrgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","dateReserved":"2026-08-17T15:22:54.444Z"},"containers":{"cna":{"title":"Rancher: SAML Assertion Replay","descriptions":[{"lang":"en","value":"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. 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."}],"affected":[{"vendor":"SUSE","product":"Rancher","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.15.1","versionType":"semver"}],"repo":"https://github.com/rancher/rancher"}],"references":[{"url":"https://github.com/rancher/rancher/releases/tag/v2.15.1"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":7.4,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-294","lang":"en","description":"CWE-294 Authentication bypass by capture-replay","type":"CWE"}]}],"providerMetadata":{"shortName":"suse","orgId":"404e59f5-483d-4b8a-8e7a-e67604dd8afb","dateUpdated":"2026-09-03T15:01:16.635Z"},"datePublic":"2026-08-31T14:58:00.000Z","impacts":[{"capecId":"CAPEC-60","descriptions":[{"lang":"en","value":"CAPEC-60 Reusing Session IDs (aka Session Replay)"}]},{"capecId":"CAPEC-94","descriptions":[{"lang":"en","value":"CAPEC-94 Adversary in the Middle (AiTM)"}]},{"capecId":"CAPEC-593","descriptions":[{"lang":"en","value":"CAPEC-593 Session Hijacking"}]}],"credits":[{"lang":"en","value":"Wade Sparks","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-03T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-75034"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-04T03:56:03.896Z"}}]}}}