Issued at: 2026-08-18
Updated at: 2026-08-18
Advisory content derived from Red Hat RHSA-2026:55740, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: pcp security update
Description
Performance Co-Pilot (PCP) is a suite of tools, services, and libraries for acquisition, archiving, and analysis of system-level performance measurements. Its light-weight distributed architecture makes it particularly well-suited to centralized analysis of complex systems.
Security Fix(es):
* PCP: PCP linux_sockets PMDA: Arbitrary Command Execution via Command Injection (CVE-2026-16524)
* PCP: PCP: Privilege escalation to root via linux_sockets PMDA vulnerability (CVE-2026-16526)
* PCP: PCP pmproxy: Unauthenticated access to /store endpoint allows bypassing pmcd access rules (CVE-2026-16527)
* PCP: PCP: Denial of Service due to signed integer overflow (CVE-2026-16529)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.