{"id":"CVE-2026-61463","aliases":["EUVD-2026-43507","GHSA-qhpw-w7p5-4c7m"],"status":"published","title":"Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account","description":"Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00468,"percentile":0.40768,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2026-07-13T17:22:59Z","modified":"2026-10-28T02:30:29Z","products":[{"vendor":"go-shiori","product":"shiori"}],"references":[{"url":"https://github.com/go-shiori/shiori/issues/1196","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/go-shiori/shiori","tags":["product","package"]},{"url":"https://github.com/go-shiori/shiori/commit/6c8a7dbc11b131609bfda736b14d61c51f9027b2","tags":["patch","fix"]},{"url":"https://www.vulncheck.com/advisories/shiori-authenticated-privilege-escalation-via-patch-api-v1-auth-account","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61463","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qhpw-w7p5-4c7m"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61463.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-61463","title":"Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account","description":"Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.","status":"published","published":"2026-07-13T17:22:59.313Z","modified":"2026-09-24T14:18:07.327Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:19:53.4444Z"}],"euvd":[{"id":"EUVD-2026-43507","description":"Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.","status":"published","published":"2026-07-13T17:22:59Z","modified":"2026-09-24T14:18:07Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:58.186745Z"}],"ghsa":[{"id":"GHSA-qhpw-w7p5-4c7m","title":"Shiori contains a privilege escalation vulnerability in the account update endpoint that allows...","description":"Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.","status":"published","published":"2026-07-13T18:30:53Z","modified":"2026-07-13T18:30:54Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:09:25.900925Z"}],"nvd":[{"id":"CVE-2026-61463","description":"Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.","status":"published","published":"2026-07-13T18:16:29.77Z","modified":"2026-10-24T22:10:00.21Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:12:29.114188Z"}],"osv":[{"id":"CVE-2026-61463","title":"Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account","description":"Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.","status":"published","published":"2026-07-13T17:22:59.313Z","modified":"2026-10-28T02:30:29.241809511Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:45:12.933503Z"}]}}