Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-16527

An unauthenticated remote attacker can bypass access controls by sending crafted requests to the PCP pmproxy /store endpoint. This allows the attacker to overwrite any PMDA metric, leading to arbitrary code execution and system takeover.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

References

Frequently asked questions

What is CVE-2026-16527?
CVE-2026-16527 is a high-severity vulnerability in Red Hat Enterprise Linux 10. CVSS score: 7.3/10. Published 2026-07-30.
How severe is CVE-2026-16527?
High severity. CVSS v3 base score is 7.3 out of 10.