{"id":"CVE-2026-96627","sourceIdentifier":"security-advisories@github.com","published":"2026-10-16T22:18:58.227","lastModified":"2026-10-19T15:17:09.873","vulnStatus":"Deferred","cveTags":[],"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":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"getarcaneapp","product":"arcane","versions":[{"version":"< 2.6.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-19T14:33:08.031435Z","id":"CVE-2026-96627","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-266"},{"lang":"en","value":"CWE-269"}]}],"references":[{"url":"https://github.com/getarcaneapp/arcane/commit/21ea962f86d967dac8ae02a050f6e5f043d10fa1","source":"security-advisories@github.com"},{"url":"https://github.com/getarcaneapp/arcane/pull/3426","source":"security-advisories@github.com"},{"url":"https://github.com/getarcaneapp/arcane/releases/tag/backend/v2.6.0","source":"security-advisories@github.com"},{"url":"https://github.com/getarcaneapp/arcane/security/advisories/GHSA-pw5q-rjx4-7f7p","source":"security-advisories@github.com"},{"url":"https://github.com/getarcaneapp/arcane/security/advisories/GHSA-pw5q-rjx4-7f7p","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}