Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
No affected products listed by the sources yet.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-61463
- 2026-10-03 Alias added: GHSA-qhpw-w7p5-4c7m
References
Patch 1
Other 2
More go-shiori vulnerabilities
- TI-2025-37707 A lack of rate limiting in the login page of shiori v1.7.4 and below allows attackers to… CVSS 3.1MEDIUM 6.5
- TI-2026-49881 shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion CVSS 3.1HIGH 8.2
- TI-2026-49947 go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch CVSS 3.1HIGH 8.5
Sources
- CVE-2026-61463 · CVE Program
- CVE-2026-61463 · NVD
- FIRST EPSS
- GHSA-qhpw-w7p5-4c7m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences