CVE-2026-61463
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Jul 13, 2026
Vendor
unknown
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.