CVE-2026-61463
Deferred
Deferred - Pending Action
Privilege Escalation in Shiori via Unauthorized Owner Field Modification
Vulnerability report for CVE-2026-61463, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-07-13
Last updated on: 2026-07-13
Assigner: VulnCheck
Description
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.
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| go-shiori | shiori | to 1.8.0 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-269 | The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. |
