Is CVE-2026-16524 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-16524?

CVE-2026-16524 has a CVSS v3 severity of HIGH (7.8).

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CVE-2026-16524

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.