CVE-2026-16524

HIGH

Pcp: pcp linux_sockets pmda: arbitrary command execution via command injection

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-16524
Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat
RHBZ#2506023
https://bugzilla.redhat.com/show_bug.cgi?id=2506023

Scores

CVSS v3 7.8
EPSS 0.0108
EPSS Percentile 61.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (6)
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat OpenShift Container Platform 4
Published Jul 30, 2026
Tracked Since Jul 30, 2026