CVE-2025-56422CRITICAL 9.8EPSS p54.5%

CVE-2025-56422CVE-2025-56422

Description

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

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.88% probability of exploitation · percentile 54.5% · 2026-06-18T12:00:27Z
Published2026-03-10
Last modified2026-03-20

Underlying weaknesses· 1

CWE-502

References

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

1

TypeTargetConfidenceTier
WeaknessDeserialization of Untrusted Datacwe-5020%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.