{"id":"CVE-2026-16526","title":"A flaw in the PCP linux_sockets module exposes an unsecured internal connection.\nAn attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.","summary":"A flaw in the PCP linux_sockets module exposes an unsecured internal connection.\nAn attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-403"],"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":"2026-09-28T10:16:43.420","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16526","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-2026-16526","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506026","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"epss":0.00454,"epssPercentile":0.36899,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-30T13:55:08.055108Z"},"ingestedAt":"2026-09-28T10:07:17.787Z","slug":"CVE-2026-16526","body":"## Overview\n\nA flaw in the PCP linux_sockets module exposes an unsecured internal connection.\nAn attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}