CVE-2026-81784

HIGH CVSS 3.1: 8.1
Updated Sep 10, 2026
PHP
Parameter Value
CVSS 8.1 (HIGH)
Type CWE-502 (Deserialization of Untrusted Data)
Vendor PHP
Public PoC No

Unauthenticated PHP Object Injection in Wise Chat <= 3.4 versions.

Attack Parameters

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

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1