PT-2026-24346 · Git+1 · Limesurvey

CVE-2025-56422 · Published 2026-03-10 · Updated 2026-03-19

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions LimeSurvey versions prior to 6.15.0+250623

Description A flaw exists in LimeSurvey that allows a remote attacker to execute arbitrary code on the server. This is due to a deserialization issue.

Recommendations Update LimeSurvey to version 6.15.0+250623 or later.

Exploit

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-56422

Affected Products

Limesurvey

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/56xxx/CVE-2025-56422.json · Exploit
• 🔥 https://github.com/hongancalif/security-advisories/blob/main/CVE-2025-56422.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-56422 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-56422 · Security Note
• https://twitter.com/CVEnew/status/2034520457228042617 · Twitter Post
• http://limesurvey.com · Note