CVE-2025-56422

critical

Description

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

References

https://github.com/hongancalif/security-advisories/blob/main/CVE-2025-56422.md

http://limesurvey.com

Details

Source: Mitre, NVD

Published: 2026-03-10

Updated: 2026-03-20

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00134