{"id":"CVE-2026-114424","title":"Code execution through double evaluation in address replacement rules","summary":"SEPPmail Secure Email Gateway before 15.1.1 can evaluate attacker-influenced replacement text as Perl code in sender or recipient replacement rules. An unauthenticated remote sender can execute operating-system commands in the mail-proce…","severity":"critical","cvss":9.2,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-95"],"vendor":"SEPPmail AG","product":"SEPPmail Secure Email Gateway (SEG)","affected":["seppmail_secure_email_gateway_seg < 15.1.1"],"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T08:31:54.245Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114424","references":[{"url":"https://docs.seppmail.com/en/20_revision-history.html"}],"tags":["cve.org"],"epss":0.00262,"epssPercentile":0.18122,"ingestedAt":"2026-11-05T20:33:06.722Z","slug":"CVE-2026-114424","body":"## Overview\n\nSEPPmail Secure Email Gateway before 15.1.1 can evaluate attacker-influenced replacement text as Perl code in sender or recipient replacement rules. An unauthenticated remote sender can execute operating-system commands in the mail-processing worker context when an active rule uses message-derived replacement data and its search condition matches. The validated worker context was root.\n\n## Affected\n\n- `seppmail_secure_email_gateway_seg < 15.1.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":50.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}