Vulnerability in Proxmox Pmg-Api

CVE-2026-94588

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.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-94588?
CVE-2026-94588 is a medium-severity vulnerability in Proxmox Pmg-Api, classified under Argument Injection. CVSS score: 4.4/10. Published 2026-09-21.
How severe is CVE-2026-94588?
Medium severity. CVSS v3 base score is 4.4 out of 10.