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CVE-2025-56422 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: March 11, 2026

LimeSurvey - Remote Code Execution

Published: March 10, 2026Updated: March 11, 2026Remote Exploitable

Overview

LimeSurvey < 6.15.0+250623 contains an insecure deserialization vulnerability caused by improper handling of untrusted data, letting remote attackers execute arbitrary code on the server, exploit requires no special conditions.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Remote attackers can execute arbitrary code on the server, potentially leading to full system compromise.

Mitigation

Update to version 6.15.0+250623 or later.

References

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

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2025-56422
Severity: Critical
CVSS Score: 9.8
Type: insecure_deserialization
Status: unconfirmed

CWE

CWE-502

CVSS Metrics

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