Vulnerability DatabaseCVE-2026-16527
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CVE-2026-16527
Published:July 30, 2026
Updated:August 06, 2026
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.
Affected Packages
https://github.com/performancecopilot/pcp.git (GITHUB):
Affected version(s) >=0.29.0 <7.2.0
Fix Suggestion:
Update to version 7.2.0
Related Resources (2)
https://access.redhat.com/security/cve/CVE-2026-16527
https://bugzilla.redhat.com/show_bug.cgi?id=2506031
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Access Control
CWE-284
EPSS
Base Score:
0.40