---
title: "nodemailer — CVE-2026-90776"
description: "A denial of service flaw affects the npm package nodemailer. Affected versions: >= 9.1.0, <= 10.0.4. Fixed from version 10.0.5. CVSS score 7.5."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-30-ghsa-prgh-xp8r-p3m5
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-30
dateModified: 2026-09-30
---
# nodemailer — CVE-2026-90776

A denial of service flaw affects the npm package nodemailer. Affected versions: >= 9.1.0, <= 10.0.4. Fixed from version 10.0.5. CVSS score 7.5.

## What to do

Update nodemailer to 10.0.5 or later.

| Fact | Value |
| --- | --- |
| Package | nodemailer |
| Ecosystem | npm (JavaScript) |
| Class | Denial of service |
| Affected versions | >= 9.1.0, <= 10.0.4 |
| Fixed version | 10.0.5 |
| CVSS | 7.5 |
| CVE | CVE-2026-90776 |
| GHSA | GHSA-prgh-xp8r-p3m5 |
| Published on | September 30, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-prgh-xp8r-p3m5](https://github.com/advisories/GHSA-prgh-xp8r-p3m5) — GitHub Security Advisories
- [NVD — CVE-2026-90776](https://nvd.nist.gov/vuln/detail/CVE-2026-90776) — NVD

---

Equivalent HTML page : https://inyourgeek.com/en/failles-de-securite/2026-09-30-ghsa-prgh-xp8r-p3m5
Published by InYourGeek — https://inyourgeek.com/en/a-propos
Method and safeguards : https://inyourgeek.com/en/methode
Full register : https://inyourgeek.com/en/failles-de-securite