---
title: "mercury — CVE-2026-111058"
description: "An authentication bypass flaw affects the PyPI package mercury. Affected versions: <= 3.2.5. Fixed from version 3.2.6. CVSS score 9.8."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-19-cve-2026-111058
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-19
dateModified: 2026-10-19
---
# mercury — CVE-2026-111058

An authentication bypass flaw affects the PyPI package mercury. Affected versions: <= 3.2.5. Fixed from version 3.2.6. CVSS score 9.8.

## What to do

Update mercury to 3.2.6 or later.

| Fact | Value |
| --- | --- |
| Package | mercury |
| Ecosystem | PyPI (Python) |
| Class | Authentication bypass |
| Affected versions | <= 3.2.5 |
| Fixed version | 3.2.6 |
| CVSS | 9.8 |
| CVE | CVE-2026-111058 |
| GHSA | GHSA-rv4m-xm3f-3ccq |
| Published on | October 19, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-rv4m-xm3f-3ccq](https://github.com/advisories/GHSA-rv4m-xm3f-3ccq) — GitHub Security Advisories
- [NVD — CVE-2026-111058](https://nvd.nist.gov/vuln/detail/CVE-2026-111058) — NVD

---

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