CVE-2026-28176

HIGH CVSS 3.1: 8.8
Updated Aug 13, 2026
PHP
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-502 (Deserialization of Untrusted Data)
Vendor PHP
Public PoC No

Unauthenticated PHP Object Injection in Booking Activities <= 1.18.4 versions.

Attack Parameters

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

Impact Assessment

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

CVSS Vector v3.1