Detections
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CVE-2026-16524

high

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

https://access.redhat.com/errata/RHSA-2026:74613

https://access.redhat.com/errata/RHSA-2026:74612

https://access.redhat.com/errata/RHSA-2026:73767

https://access.redhat.com/errata/RHSA-2026:72594

https://access.redhat.com/errata/RHSA-2026:72593

https://access.redhat.com/errata/RHSA-2026:72273

https://access.redhat.com/errata/RHSA-2026:72272

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

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

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-50969

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

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

Details

Source: Mitre, NVD

Published: 2026-07-30

Updated: 2026-10-12

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00702