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TI-2026-44068 Aliases CVE-2026-61463GHSA-qhpw-w7p5-4c7m

Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account

Priority HIGH 73CWE-269Published · Updated

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

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00468 40th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

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

  1. 2026-10-02 Threatist record created from CVE-2026-61463
  2. 2026-10-03 Alias added: GHSA-qhpw-w7p5-4c7m

References

  • 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