CVE-2025-56422

Name: CVE-2025-56422
Creator: NVD / NIST
Published: 2026-03-10T18:17:58.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2025-56422 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A deserialization vulnerability in LimeSurvey before v6.15.0+250623 allows a remote attacker to execute arbitrary code on the server.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.88%

54.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Limesurvey	Limesurvey	<= 6.14.3

References

http://limesurvey.comProduct
https://github.com/hongancalif/security-advisories/blob/main/CVE-2025-56422.mdThird Party Advisory

Timeline

Published: Mar 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-56422?

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

How severe is CVE-2025-56422?

CVE-2025-56422 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2025-56422?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-56422?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST