---
id: CVE-2026-94588
title: >-
  In Proxmox pmg-api, an argument injection vulnerability exists in the package
  changelog retrieval functionality
summary: >-
  In Proxmox pmg-api, an argument injection vulnerability exists in the package
  changelog retrieval functionality. This is caused by improper handling of
  user-supplied input passed to the underlying apt-get command when fetching
  package ch…
severity: medium
cvss: 4.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-88
vendor: Proxmox
product: pmg-api
affected:
  - pmg-api >= 9.0.0 < 9.0.3
published: '2026-09-21'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T21:18:58.490'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-94588'
references:
  - url: >-
      https://forum.proxmox.com/threads/proxmox-mail-gateway-security-advisories.149333/post-831054
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00247
epssPercentile: 0.1414
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-24T20:11:36.442323Z'
ingestedAt: '2026-09-21T20:52:58.288Z'
---

## Overview

In Proxmox pmg-api, an argument injection vulnerability exists in the package changelog retrieval functionality. This is caused by improper handling of user-supplied input passed to the underlying apt-get command when fetching package changelogs. It requires authentication but can be exploited in a CSRF-style attack.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.