---
title: "lmdeploy — CVE-2025-66455"
description: "An unsafe deserialisation flaw affects the PyPI package lmdeploy. Affected versions: >= 0.9.2, < 0.16.0. Fixed from version 0.16.0. CVSS score 9.8."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-18-cve-2025-66455
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-18
dateModified: 2026-09-18
---
# lmdeploy — CVE-2025-66455

An unsafe deserialisation flaw affects the PyPI package lmdeploy. Affected versions: >= 0.9.2, < 0.16.0. Fixed from version 0.16.0. CVSS score 9.8.

## What to do

Update lmdeploy to 0.16.0 or later.

| Fact | Value |
| --- | --- |
| Package | lmdeploy |
| Ecosystem | PyPI (Python) |
| Class | Unsafe deserialisation |
| Affected versions | >= 0.9.2, < 0.16.0 |
| Fixed version | 0.16.0 |
| CVSS | 9.8 |
| CVE | CVE-2025-66455 |
| GHSA | GHSA-2vh9-42vm-xmv2 |
| Published on | September 18, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-2vh9-42vm-xmv2](https://github.com/advisories/GHSA-2vh9-42vm-xmv2) — GitHub Security Advisories
- [NVD — CVE-2025-66455](https://nvd.nist.gov/vuln/detail/CVE-2025-66455) — NVD

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