CVE-2026-61463

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-13 18:16

Updated : 2026-07-13 19:49

NVD link : CVE-2026-61463

Mitre link : CVE-2026-61463

CVE.ORG link : CVE-2026-61463

JSON object : View

Products Affected

No product.

CWE

CWE-269

Improper Privilege Management

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