---
title: "phpcsstandards/phpcsutils — CVE-2026-65954"
description: "A remote code execution flaw affects the Composer package phpcsstandards/phpcsutils. Affected versions: >= 1.0.0-alpha1, < 1.2.3. Fixed from version 1.2.3. CVSS score 8.6."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-29-cve-2026-65954
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-29
dateModified: 2026-09-29
---
# phpcsstandards/phpcsutils — CVE-2026-65954

A remote code execution flaw affects the Composer package phpcsstandards/phpcsutils. Affected versions: >= 1.0.0-alpha1, < 1.2.3. Fixed from version 1.2.3. CVSS score 8.6.

## What to do

Update phpcsstandards/phpcsutils to 1.2.3 or later.

| Fact | Value |
| --- | --- |
| Package | phpcsstandards/phpcsutils |
| Ecosystem | Composer (PHP) |
| Class | Remote code execution |
| Affected versions | >= 1.0.0-alpha1, < 1.2.3 |
| Fixed version | 1.2.3 |
| CVSS | 8.6 |
| CVE | CVE-2026-65954 |
| GHSA | GHSA-r6hr-vr92-vv28 |
| Published on | September 29, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-r6hr-vr92-vv28](https://github.com/advisories/GHSA-r6hr-vr92-vv28) — GitHub Security Advisories
- [NVD — CVE-2026-65954](https://nvd.nist.gov/vuln/detail/CVE-2026-65954) — NVD

---

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