{"id":"CVE-2026-114426","title":"Pre-authentication upload parsing permits resource exhaustion","summary":"SEPPmail Secure Email Gateway before 15.1.1 processes and writes v1 file-interface upload data before authenticating the caller and without an absolute request-size limit. An unauthenticated remote attacker can occupy workers and consume…","severity":"high","cvss":8.7,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-400"],"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":"2026-11-04T08:33:13.228Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114426","references":[{"url":"https://docs.seppmail.com/en/20_revision-history.html"}],"tags":["cve.org"],"epss":0.00322,"epssPercentile":0.25289,"ingestedAt":"2026-11-05T20:33:06.720Z","slug":"CVE-2026-114426","body":"## Overview\n\nSEPPmail Secure Email Gateway before 15.1.1 processes and writes v1 file-interface upload data before authenticating the caller and without an absolute request-size limit. An unauthenticated remote attacker can occupy workers and consume temporary storage with concurrent or slow requests, causing service unavailability.\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":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}