---
title: "maatwebsite/excel — CVE-2026-84374"
description: "A path traversal flaw affects the Composer package maatwebsite/excel. Affected versions: >= 3.1.8, < 3.1.70. Fixed from version 3.1.70. CVSS score 7.5."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-08-cve-2026-84374
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-08
dateModified: 2026-09-08
---
# maatwebsite/excel — CVE-2026-84374

A path traversal flaw affects the Composer package maatwebsite/excel. Affected versions: >= 3.1.8, < 3.1.70. Fixed from version 3.1.70. CVSS score 7.5.

## What to do

Update maatwebsite/excel to 3.1.70 or later.

| Fact | Value |
| --- | --- |
| Package | maatwebsite/excel |
| Ecosystem | Composer (PHP) |
| Class | Path traversal |
| Affected versions | >= 3.1.8, < 3.1.70 |
| Fixed version | 3.1.70 |
| CVSS | 7.5 |
| CVE | CVE-2026-84374 |
| GHSA | GHSA-c7r6-vx3h-w5g2 |
| Published on | September 8, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-c7r6-vx3h-w5g2](https://github.com/advisories/GHSA-c7r6-vx3h-w5g2) — GitHub Security Advisories
- [NVD — CVE-2026-84374](https://nvd.nist.gov/vuln/detail/CVE-2026-84374) — NVD

---

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