---
title: "mongodb/mongodb — CVE-2026-81525"
description: "An injection flaw affects the Composer package mongodb/mongodb. Affected versions: < 1.21.4. Fixed from version 1.21.4. CVSS score 8.1."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-08-cve-2026-81525
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-08
dateModified: 2026-09-08
---
# mongodb/mongodb — CVE-2026-81525

An injection flaw affects the Composer package mongodb/mongodb. Affected versions: < 1.21.4. Fixed from version 1.21.4. CVSS score 8.1.

## What to do

Update mongodb/mongodb to 1.21.4 or later.

| Fact | Value |
| --- | --- |
| Package | mongodb/mongodb |
| Ecosystem | Composer (PHP) |
| Class | Injection |
| Affected versions | < 1.21.4 |
| Fixed version | 1.21.4 |
| CVSS | 8.1 |
| CVE | CVE-2026-81525 |
| GHSA | GHSA-65fr-j4p9-vc33 |
| Published on | September 8, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-65fr-j4p9-vc33](https://github.com/advisories/GHSA-65fr-j4p9-vc33) — GitHub Security Advisories
- [NVD — CVE-2026-81525](https://nvd.nist.gov/vuln/detail/CVE-2026-81525) — NVD

---

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Method and safeguards : https://inyourgeek.com/en/methode
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