{"id":"CVE-2026-113610","title":"Xen Orchestra before 6.9.0 Authorization Bypass via user.set API","summary":"Xen Orchestra before 6.9.0 contains an authorization bypass vulnerability in the xo-server user.set API method that allows low-privileged authenticated users to modify other users' preferences by supplying an arbitrary target user id. At…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-639"],"vendor":"vatesfr","product":"xen-orchestra","affected":["xen-orchestra < 6.9.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T18:19:42.474708Z"},"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T18:19:50.195Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113610","references":[{"url":"https://github.com/vatesfr/xen-orchestra/security/advisories/GHSA-mc4m-hc98-rhmv","label":"GitHub Security Advisory (GHSA-mc4m-hc98-rhmv)"},{"url":"https://github.com/vatesfr/xen-orchestra/commit/3dbf8738f1e682b96ade2074dc84bee02a0c2d48"},{"url":"https://github.com/vatesfr/xen-orchestra/blob/f187b7931988e3e5c9ccd58abe730d6b006cc246/packages/xo-server/src/api/user.mjs#L73-L93"},{"url":"https://www.vulncheck.com/advisories/xen-orchestra-before-6.9.0-authorization-bypass-via-user-set-api","label":"VulnCheck Advisory: Xen Orchestra before 6.9.0 Authorization Bypass via user.set API"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T16:10:53.300Z","slug":"CVE-2026-113610","body":"## Overview\n\nXen Orchestra before 6.9.0 contains an authorization bypass vulnerability in the xo-server user.set API method that allows low-privileged authenticated users to modify other users' preferences by supplying an arbitrary target user id. Attackers can delete the preferences.otp TOTP secret to disable two-factor authentication, corrupt it to block logins, or overwrite stored xsCredentials and sshKeys.\n\n## Affected\n\n- `xen-orchestra < 6.9.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}