CVE-2026-16524

Severity CVSS v4.0:

Pending analysis

Type:

CWE-78 OS Command Injections

Publication date:

30/07/2026

Last modified:

30/07/2026

Description

A command injection flaw in PCP&#39;s linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric.<br /> This failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

https://access.redhat.com/security/cve/CVE-2026-16524
https://bugzilla.redhat.com/show_bug.cgi?id=2506023