---
id: CVE-2024-45601
aliases:
  - GHSA-pmv9-3xqp-8w42
  - PYSEC-2026-1625
title: Mesop has a local file Inclusion via static file serving functionality
summary: Mesop has a local file Inclusion via static file serving functionality
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
vendor: mesop
product: mesop
ecosystem: pip
affected:
  - 'mesop >= 0.9.0, < 0.12.4'
patched:
  - mesop 0.12.4
published: '2024-09-18'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-pmv9-3xqp-8w42'
references:
  - url: 'https://github.com/google/mesop/security/advisories/GHSA-pmv9-3xqp-8w42'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2024-45601'
  - url: >-
      https://github.com/google/mesop/commit/17fb769d6a91f0a8cbccfab18f64977b158a6a31
  - url: 'https://github.com/google/mesop'
tags:
  - osv
  - pip
epss: 0.0028
epssPercentile: 0.18253
ingestedAt: '2026-07-08T18:25:51.806Z'
---

## Overview

A vulnerability has been discovered and fixed in Mesop that could potentially allow unauthorized access to files on the server hosting the Mesop application. The vulnerability was related to insufficient input validation in a specific endpoint. This could have allowed an attacker to access files not intended to be served.

Users are strongly advised to update to the latest version of Mesop immediately. The latest version includes a fix for this vulnerability.

We would like to thank @Letm3through for reporting this issue and proposing mitigations to address this issue.

## Affected packages

- `mesop >= 0.9.0, < 0.12.4`

## Remediation

Upgrade to a patched release:

- `mesop 0.12.4`