{"id":"CVE-2026-84832","aliases":["EUVD-2026-70364","GHSA-223j-mh9x-75cm"],"status":"published","title":"Unsafe deserialization in the REST interface","description":"SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with \"nobody\" privileges.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00637,"percentile":0.50875,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502","CWE-78"],"published":"2026-09-03T08:45:08Z","modified":"2026-10-08T11:16:22Z","products":[{"vendor":"seppmail ag","product":"seppmail secure email gateway (seg)"}],"references":[{"url":"https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html"},{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-pp65-5j34-grgc"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84832"},{"url":"https://github.com/advisories/GHSA-223j-mh9x-75cm"}],"sources":{"cve":[{"id":"CVE-2026-84832","title":"Unsafe deserialization in the REST interface","description":"SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with \"nobody\" privileges.","status":"published","published":"2026-09-03T08:45:08.108Z","modified":"2026-10-08T11:16:22.371Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-502","CWE-78"],"updated_at":"2026-11-02T14:20:08.734143Z"}],"euvd":[{"id":"EUVD-2026-70364","description":"SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with \"nobody\" privileges.","status":"published","published":"2026-09-03T08:45:08Z","modified":"2026-10-08T11:16:22Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:33.098422Z"}],"ghsa":[{"id":"GHSA-223j-mh9x-75cm","title":"SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged...","description":"SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with \"nobody\" privileges.","status":"published","published":"2026-09-03T15:32:16Z","modified":"2026-09-03T15:32:24Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:11:19.170234Z"}],"nvd":[{"id":"CVE-2026-84832","description":"SEPPmail Secure Email Gateway before 15.0.6 deserializes attacker-controlled data in a privileged REST import workflow without adequate validation. An attacker with a privileged API token can execute arbitrary commands with \"nobody\" privileges.","status":"published","published":"2026-09-03T13:06:18.887Z","modified":"2026-09-04T17:17:01.853Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-78","CWE-502"],"updated_at":"2026-11-02T14:12:43.399612Z"}]}}