CVE-2025-56422

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

Critical · published March 10, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
58.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00883 · 58.8th percentile
Published
2026-03-10T00:00Z
EPSS history
Timeline
  • 10 MAR 00:00Z
    A deserialization vulnerability in LimeSurvey before v6.15.0+250623 allows a remote attacker to execute arbitrary code on the server
    cvelistv5