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 temporary storage with concurrent or slow requests, causing service unavailability.
History

Tue, 10 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 06 Nov 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Seppmail
Seppmail seppmail Secure Email Gateway
Vendors & Products Seppmail
Seppmail seppmail Secure Email Gateway

Wed, 04 Nov 2026 08:45:00 +0000

Type Values Removed Values Added
Description 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 temporary storage with concurrent or slow requests, causing service unavailability.
Title Pre-authentication upload parsing permits resource exhaustion
Weaknesses CWE-400
References
Metrics cvssV4_0

{'score': 8.7, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published: 2026-11-04T08:33:13.228Z

Updated: 2026-11-09T21:19:00.551Z

Reserved: 2026-10-21T13:14:01.740Z

Link: CVE-2026-114426

cve-icon Vulnrichment

Updated: 2026-11-09T21:18:56.972Z

cve-icon NVD

Status : Deferred

Published: 2026-11-04T09:17:41.970

Modified: 2026-11-09T22:18:28.003

Link: CVE-2026-114426

cve-icon Redhat

No data.