CVE-2026-16527

HighCVSS 7.3/10Last modified Oct 2, 2026

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.

Metrics

CVSS 3.1 7.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-306 CWE-284

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Jul 30, 2026
Last modified: Oct 2, 2026
NVD status: Awaiting Analysis

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