CVE-2026-94588

Published 21 Sep 2026 • Updated 21 Sep 2026

Severity: MEDIUM

Description

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.

Affected products (1)

• Proxmox pmg-api

Problem types

• CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

References (1)

• https://forum.proxmox.com/threads/proxmox-mail-gateway-security-advisories.149333/post-831054