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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 8.7NVD modified 2026-10-24 22:10
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 5
- https://github.com/go-shiori/shiori
- https://github.com/go-shiori/shiori/commit/6c8a7dbc11b131609bfda736b14d61c51f9027b2
- https://github.com/go-shiori/shiori/issues/1196
- https://www.vulncheck.com/advisories/shiori-authenticated-privilege-escalation-via-patch-api-v1-auth-account
- https://github.com/go-shiori/shiori/issues/1196