{"id":"CVE-2026-96627","state":"PUBLISHED","title":"Arcane: Delegated users:update permission allows admin account takeover via password reset (no privilege-hierarchy check)","description":"Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 2.6.0, UpdateUser in backend/api/handlers/users.go sets PasswordHash for any target without comparing caller and target privilege. A holder of delegated users:update permission can submit a password change for the global administrator, replace the administrator password, and authenticate as that account, resulting in complete global administrator account takeover. This issue is fixed in version 2.6.0.","publishedAt":"2026-10-16T21:13:16.717Z","updatedAt":"2026-10-19T14:34:05.584Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["getarcaneapp arcane"],"affected":[{"vendor":"getarcaneapp","product":"arcane","versions":[{"version":"< 2.6.0","status":"affected"}]}],"references":["https://github.com/getarcaneapp/arcane/security/advisories/GHSA-pw5q-rjx4-7f7p","https://github.com/getarcaneapp/arcane/pull/3426","https://github.com/getarcaneapp/arcane/commit/21ea962f86d967dac8ae02a050f6e5f043d10fa1","https://github.com/getarcaneapp/arcane/releases/tag/backend/v2.6.0"],"weaknesses":["CWE-266","CWE-269"],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/96xxx/CVE-2026-96627.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-96627","state":"PUBLISHED","datePublished":"2026-10-16T21:13:16.717Z","dateUpdated":"2026-10-19T14:34:05.584Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-09-23T14:35:50.129Z"},"containers":{"cna":{"title":"Arcane: Delegated users:update permission allows admin account takeover via password reset (no privilege-hierarchy check)","descriptions":[{"lang":"en","value":"Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 2.6.0, UpdateUser in backend/api/handlers/users.go sets PasswordHash for any target without comparing caller and target privilege. A holder of delegated users:update permission can submit a password change for the global administrator, replace the administrator password, and authenticate as that account, resulting in complete global administrator account takeover. This issue is fixed in version 2.6.0."}],"affected":[{"vendor":"getarcaneapp","product":"arcane","versions":[{"version":"< 2.6.0","status":"affected"}]}],"references":[{"url":"https://github.com/getarcaneapp/arcane/security/advisories/GHSA-pw5q-rjx4-7f7p","name":"https://github.com/getarcaneapp/arcane/security/advisories/GHSA-pw5q-rjx4-7f7p","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/getarcaneapp/arcane/pull/3426","name":"https://github.com/getarcaneapp/arcane/pull/3426","tags":["x_refsource_MISC"]},{"url":"https://github.com/getarcaneapp/arcane/commit/21ea962f86d967dac8ae02a050f6e5f043d10fa1","name":"https://github.com/getarcaneapp/arcane/commit/21ea962f86d967dac8ae02a050f6e5f043d10fa1","tags":["x_refsource_MISC"]},{"url":"https://github.com/getarcaneapp/arcane/releases/tag/backend/v2.6.0","name":"https://github.com/getarcaneapp/arcane/releases/tag/backend/v2.6.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-266","lang":"en","description":"CWE-266: Incorrect Privilege Assignment","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"CWE-269: Improper Privilege Management","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-16T21:13:16.717Z"},"source":{"advisory":"GHSA-pw5q-rjx4-7f7p","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/getarcaneapp/arcane/security/advisories/GHSA-pw5q-rjx4-7f7p","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T14:33:08.031435Z","id":"CVE-2026-96627","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T14:34:05.584Z"}}]}}}