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CVE Vulnerability Details :
CVE-2026-29141
PUBLISHED
More InfoOfficial Page
Assigner-NCSC.ch
Assigner Org ID-455daabc-a392-441d-aa46-37d35189897c
View Known Exploited Vulnerability (KEV) details
Published At-02 Apr, 2026 | 08:34
Updated At-02 Apr, 2026 | 14:40
Rejected At-
▼CVE Numbering Authority (CNA)
Bounded Subject Tag Sanitization

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as [signed OK].

Affected Products
Vendor
SEPPmail
Product
Secure Email Gateway
Default Status
unaffected
Versions
Affected
  • From 0 before 15.0.3 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-20CWE-20 Improper Input Validation
Type: CWE
CWE ID: CWE-20
Description: CWE-20 Improper Input Validation
Metrics
VersionBase scoreBase severityVector
4.07.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
Version: 4.0
Base score: 7.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-473CAPEC-473 Signature Spoof
CAPEC ID: CAPEC-473
Description: CAPEC-473 Signature Spoof
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Andris Suter-Dörig
coordinator
Matteo Scarlata
coordinator
Kenny Paterson
Timeline
EventDate
Vulnerability disclosed to SEPPmail2025-10-31 14:22:00
Version 15.0.3 released2026-03-03 00:00:00
Event: Vulnerability disclosed to SEPPmail
Date: 2025-10-31 14:22:00
Event: Version 15.0.3 released
Date: 2026-03-03 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503
release-notes
Hyperlink: https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503
Resource:
release-notes
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found