Security Advisory
CVE-2026-61463
8.8
HIGH
Vulnerability 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.
Published Date
July 13, 2026
Official Source
NIST NVD Advisory