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.
History

Tue, 18 Aug 2026 02:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:9
cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/o:redhat:enterprise_linux:10.2
References

Mon, 17 Aug 2026 14:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:8 cpe:/a:redhat:enterprise_linux:8::appstream
References

Fri, 07 Aug 2026 06:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-306

Sun, 02 Aug 2026 06:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Fri, 31 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 31 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Thu, 30 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat openshift Container Platform
Vendors & Products Redhat openshift Container Platform

Thu, 30 Jul 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Thu, 30 Jul 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title Pcp: pcp pmproxy: unauthenticated access to /store endpoint allows bypassing pmcd access rules
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2026-07-30T05:30:16.930Z

Updated: 2026-08-21T12:03:38.580Z

Reserved: 2026-07-22T07:36:03.699Z

Link: CVE-2026-16527

cve-icon Vulnrichment

Updated: 2026-07-31T22:41:36.823Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-07-30T06:25:02.813

Modified: 2026-08-21T12:16:23.610

Link: CVE-2026-16527

cve-icon Redhat

Severity : Important

Publid Date: 2026-07-30T00:00:00Z

Links: CVE-2026-16527 - Bugzilla