CVE-2026-16527

Description

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 Vector

References

• https://access.redhat.com/security/cve/CVE-2026-16527
• https://bugzilla.redhat.com/show_bug.cgi?id=2506031