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Advisory record · GHSA-gp56-f67f-m4px

CI4MS Vulnerable to Remote Code Execution (RCE) via Arbitrary File Creation and Save in File Editor

CVSS 10.0 CriticalCriticalEPSS 0.0089 · 60th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 2 Feb 2026, 21:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
ci4-cms-erp/ci4msPackagist<0.28.5.00.28.5.0
Identifiers
GHSA-gp56-f67f-m4px · CVE-2026-25510 · PKSA-ztv6-h3sy-m4xc
Weakness (CWE)
CWE-94 · CWE-434
Tags
Published
2 Feb 2026
Updated
4 Feb 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

CI4MS (Packagist package ci4-cms-erp/ci4ms) versions before 0.28.5.0 are vulnerable. An authenticated user with file editor permissions can create PHP files in web-accessible directories and write arbitrary content into them, enabling remote code execution and full compromise of the web server. Upgrade to version 0.28.5.0 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0089, the 60th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:26 UTC First seen by agentprime
  2. 31 Oct 2026, 14:26 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.