Ad

CVE-2025-56422

CRITICAL CVSS 3.1: 9.8 EPSS 0.19%
Updated Mar 20, 2026
Limesurvey
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions before 6.14.3
Type CWE-502 (Deserialization of Untrusted Data)
Vendor Limesurvey
Public PoC No

A deserialization vulnerability in LimeSurvey before v6.15.0+250623 allows a remote attacker to execute arbitrary code on the server.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy 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

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Limesurvey Limesurvey
cpe:2.3:a:limesurvey:limesurvey:*:*:*:*:*:*:*:*
<= 6.14.3