CVE-2025-56422

Critical · CVSS 9.8

LimeSurvey — PHP deserialization RCE (CWE-502)

CVSS: 9.8; nvd
EPSS: —
KEV: No
Class: oss containerizable; CWE-502

Description

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

Search profile — drives PoC discovery

Symbols unserializedeserializeLimeSurvey__wakeup__destructPOP chainobject injection

Keywords CVE-2025-56422LimeSurvey deserialization RCELimeSurvey remote code executionLimeSurvey object injectionLimeSurvey 6.15.0 exploitLimeSurvey PoCLimeSurvey unserialize vulnerability

Versions: < v6.15.0+250623

References

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

Status: enriched · ingested 2026-07-05T06:00:39.000Z · profiled 2026-07-06T06:30:39.000Z