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CVE-2026-94588

MEDIUM
4.4
CVSS Score
Published: September 21, 2026 at 08:46 PM UTC
Updated: September 24, 2026 at 09:18 PM UTC
1 product affected across 1 vendorPmg API

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Pmg API· Proxmox
60%
9.0.0 ≤ v < 9.0.39.0.0
Vendor states this is fixed in 8.2.7 (unaffected)
Affected range stops below 9.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.4MEDIUMmitre
Attack Vector
NETWORK
Complexity
HIGH
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-88

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