---
title: "lmcache — CVE-2026-105192"
description: "An authentication bypass flaw affects the PyPI package lmcache. Affected versions: >= 0.3.9, < 0.5.6. Fixed from version 0.5.6. CVSS score 9.8."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-16-cve-2026-105192
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-16
dateModified: 2026-10-16
---
# lmcache — CVE-2026-105192

An authentication bypass flaw affects the PyPI package lmcache. Affected versions: >= 0.3.9, < 0.5.6. Fixed from version 0.5.6. CVSS score 9.8.

## What to do

Update lmcache to 0.5.6 or later.

| Fact | Value |
| --- | --- |
| Package | lmcache |
| Ecosystem | PyPI (Python) |
| Class | Authentication bypass |
| Affected versions | >= 0.3.9, < 0.5.6 |
| Fixed version | 0.5.6 |
| CVSS | 9.8 |
| CVE | CVE-2026-105192 |
| GHSA | GHSA-w5f2-9q9c-ff4h |
| Published on | October 16, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-w5f2-9q9c-ff4h](https://github.com/advisories/GHSA-w5f2-9q9c-ff4h) — GitHub Security Advisories
- [NVD — CVE-2026-105192](https://nvd.nist.gov/vuln/detail/CVE-2026-105192) — NVD

---

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