CVE-2026-16524

Published: Jul 30, 2026Modified: Aug 21, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: secalert@redhat.com (Secondary)

Description

A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric. This failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.

Related CWEs

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (5)

https://access.redhat.com/errata/RHSA-2026:55560

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:55617

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:55740

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2026-16524

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2506023

Source: secalert@redhat.com

Timeline

No history available yet.