What is CVE-2026-16524?

CVE-2026-16524 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-07-30.

How severe is CVE-2026-16524?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Red Hat Enterprise Linux 10

CVE-2026-16524

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.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Openshift Container Platform 4

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-16524?: CVE-2026-16524 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-07-30.
How severe is CVE-2026-16524?: High severity. CVSS v3 base score is 7.8 out of 10.