{"id":"CVE-2026-16524","title":"A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric.\nThis failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.","summary":"A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric.\nThis failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"Red Hat","product":"pcp","affected":["pcp (all versions)","pcp (all versions)","pcp (all versions)","pcp (all versions)","pcp (all versions)","pcp","pcp (all versions)","openshift/ose-rhel-coreos-9"],"published":"2026-07-30","updated":"2026-09-28","sourceUpdated":"2026-09-28T10:16:43.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16524","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:55560","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:55617","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:55740","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72272","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72273","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-16524","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506023","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"epss":0.00652,"epssPercentile":0.49215,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-30T14:37:48.088368Z"},"ingestedAt":"2026-09-28T10:07:17.787Z","slug":"CVE-2026-16524","body":"## Overview\n\nA command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric.\nThis failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}