---
title: "certifi"
description: "A security flaw affects the PyPI package certifi. Affected versions: >= 2019.03.09, < 2026.10.19. Fixed from version 2026.10.19."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-20-ghsa-6q48-6c7w-9gw2
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-20
dateModified: 2026-10-20
---
# certifi

A security flaw affects the PyPI package certifi. Affected versions: >= 2019.03.09, < 2026.10.19. Fixed from version 2026.10.19.

## What to do

Update certifi to 2026.10.19 or later.

| Fact | Value |
| --- | --- |
| Package | certifi |
| Ecosystem | PyPI (Python) |
| Class | Other |
| Affected versions | >= 2019.03.09, < 2026.10.19 |
| Fixed version | 2026.10.19 |
| GHSA | GHSA-6q48-6c7w-9gw2 |
| Published on | October 20, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-6q48-6c7w-9gw2](https://github.com/advisories/GHSA-6q48-6c7w-9gw2) — GitHub Security Advisories

---

Equivalent HTML page : https://inyourgeek.com/en/failles-de-securite/2026-10-20-ghsa-6q48-6c7w-9gw2
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