PT-2026-66401 · Red Hat · Red Hat Enterprise Linux 10+5

CVE-2026-16527 · Published 2026-07-30 · Updated 2026-07-30

NVD

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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.

Fix

Related Identifiers

CVE-2026-16527

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

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-16527 · Security Note
• https://access.redhat.com/security/cve/CVE-2026-16527 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2506031 · Note