---
title: "aiohttp — CVE-2026-111064"
description: "A denial of service flaw affects the PyPI package aiohttp. Affected versions: <= 3.14.3. Fixed from version 3.14.4."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-19-cve-2026-111064
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-19
dateModified: 2026-10-19
---
# aiohttp — CVE-2026-111064

A denial of service flaw affects the PyPI package aiohttp. Affected versions: <= 3.14.3. Fixed from version 3.14.4.

## What to do

Update aiohttp to 3.14.4 or later.

| Fact | Value |
| --- | --- |
| Package | aiohttp |
| Ecosystem | PyPI (Python) |
| Class | Denial of service |
| Affected versions | <= 3.14.3 |
| Fixed version | 3.14.4 |
| CVE | CVE-2026-111064 |
| GHSA | GHSA-5wr8-gcqf-gqf3 |
| Published on | October 19, 2026 |
| Severity | High |

## Sources

- [GitHub Security Advisory — GHSA-5wr8-gcqf-gqf3](https://github.com/advisories/GHSA-5wr8-gcqf-gqf3) — GitHub Security Advisories
- [NVD — CVE-2026-111064](https://nvd.nist.gov/vuln/detail/CVE-2026-111064) — NVD

---

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