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 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:55560
https://access.redhat.com/errata/RHSA-2026:55617
https://access.redhat.com/errata/RHSA-2026:55740
https://access.redhat.com/security/cve/CVE-2026-16527
https://bugzilla.redhat.com/show_bug.cgi?id=2506031

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-30 06:25

Updated : 2026-08-21 12:16

NVD link : CVE-2026-16527

Mitre link : CVE-2026-16527

CVE.ORG link : CVE-2026-16527

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

CWE-284

Improper Access Control

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