CVE-2026-18744

MEDIUM CVSS 3.1: 6.5 EPSS 0.30%
Updated Aug 13, 2026
Cert/Cc
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-639 (Authorization Bypass), CWE-639: Authorization Bypass Through User-Controlled Key
Vendor Cert/Cc
Public PoC No

Any authenticated case participant can fetch any OTHER vendor's CaseStatement + per-vul CaseMemberStatus by supplying that member's id — test_func only checks _is_my_case, not ownership of kwargs['member']. Bypasses share_status; leaks embargoed vendor affected/not-affected + statement text cross-tenant.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

cert/cc:vince