CVE-2026-91788

MEDIUM CVSS 3.1: 4.7 EPSS 0.10%
Updated Sep 23, 2026
Parameter Value
CVSS 4.7 (MEDIUM)
Type CWE-668 (Exposure of Resource to Wrong Sphere)
Public PoC No

When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potentially access sensitive content from other documents within the same process and transmit it externally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1