Skip to content

RadicalNotion.AI

We do not sell or share your personal information.

© 2026 RadicalNotion.AI

Security Data

CWE Directory
CAPEC Directory
CNA Directory
CNA Leaderboard
CNA Report Cards
Vendor Directory
Patched Functions
Data Sources

Calculators

CVSS Calculator
CVSS 4.0
CVSS 3.1
CVSS 3.0
CVSS 2.0
Badge Builder

Platform

My Vulnerabilities
Insights
Notifications
Pricing

Learn

Guides
What is a CVE?
What is CVSS?
The CISA KEV catalog
What is EPSS?

Company

About
Blog
Careers
Contact
Demo

Account

Sign up
Log in

Legal

Security
Privacy
Terms

RadicalNotion.AI

Security data

Weaknesses (CWE)The MITRE CWE weakness catalog
Attack Patterns (CAPEC)MITRE CAPEC attack patterns
CNAsNumbering authorities and report cards
VendorsVulnerabilities by vendor
Patched FunctionsWhere CVE fixes land in code

Tools

CVSS CalculatorScore CVSS 4.0, 3.1, 3.0 & 2.0
Badge BuilderEmbeddable SVG badges for READMEs

Resources

LearnSecurity guides
Data SourcesCVE data sources

About Blog Pricing Demo

Log in Create an account

Home
Vendors
Seppmail
Seppmail Secure Email Gateway

seppmail secure email gateway Vulnerabilities: CVEs, CISA KEV & Security Advisories

22 CVEs

SM

seppmail secure email gateway Vulnerabilities

CVE security advisories and vulnerability history for seppmail secure email gateway by seppmail.

22

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

0

Public exploits

PoC or exploit code

6.9

Avg CVSS

2026–2026

Last updated April 2, 2026

Overview

seppmail secure email gateway has 22 published CVE records since 2026, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 0 have a known public exploit. The average CVSS base score across scored CVEs is 6.9.

Severity and exploitation

How the CVSS severity of seppmail secure email gateway's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical2

High8

Medium12

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of seppmail secure email gateway's CVEs are currently listed in CISA's KEV catalog.

Public exploits

0

No seppmail secure email gateway CVEs currently have a tracked public exploit.

Affected versions and CVEs

Browse every seppmail secure email gateway version named in a CVE, then pick one to see only the CVEs that affect it.

Version ranges

< 15.0.314 CVEs
< 15.0.18 CVEs

Fixed in

15.0.314 CVEs
15.0.18 CVEs

Find a version

22 CVEs

Sort

CA Notification HTML Injection
CVE-2026-29136
Patch
CWE-79
Medium · CVSS 5.3
EPSS 0.2% (5th pct)2026-04-02
GINA State Confusion Account Takeover
CVE-2026-29139
Patch
CWE-288
High · CVSS 7.8
EPSS 0.5% (40th pct)2026-04-02
Unicode Subject Tags
CVE-2026-29144
Patch
CWE-20
High · CVSS 7.8
EPSS 0.3% (27th pct)2026-04-02
S/MIME Decryption Impersonation
CVE-2026-29143
Patch
CWE-20
High · CVSS 7.8
EPSS 0.4% (35th pct)2026-04-02
PGP Decryption Sender LDAP Injection
CVE-2026-29138
Patch
CWE-90
Medium · CVSS 6.3
EPSS 0.4% (29th pct)2026-04-02
PGP Decryption Recipient LDAP Injection
CVE-2026-29131
Patch
CWE-90
Medium · CVSS 4.9
EPSS 0.4% (30th pct)2026-04-02
Plaintext secure-mail.html
CVE-2026-29142
Patch
CWE-325
Medium · CVSS 6.3
EPSS 0.2% (9th pct)2026-04-02
Long Subject Untagging
CVE-2026-29137
Patch
CWE-20
Medium · CVSS 5.3
EPSS 0.3% (22th pct)2026-04-02
Bounded Subject Tag Sanitization
CVE-2026-29141
Patch
CWE-20
High · CVSS 7.7
EPSS 0.3% (27th pct)2026-04-02
Webmail Password Tag Sanitization Bypass
CVE-2026-29135
Patch
CWE-20
Medium · CVSS 5.3
EPSS 0.4% (35th pct)2026-04-02
GINA Domain Switch
CVE-2026-29134
Patch
CWE-807
Medium · CVSS 5.3
EPSS 0.4% (30th pct)2026-04-02
S/MIME Signature Additional Certificate
CVE-2026-29140
Patch
CWE-295
High · CVSS 7.7
EPSS 0.2% (8th pct)2026-04-02
UID Regex Bypass
CVE-2026-29133
Patch
CWE-20
Medium · CVSS 5.3
EPSS 0.4% (32th pct)2026-04-02
ESWmail-Verify Bypass
CVE-2026-29132
Patch
CWE-306
Medium · CVSS 6.3
EPSS 0.4% (35th pct)2026-04-02
PDF Password CMDi
CVE-2026-27441
Patch
CWE-78
Critical · CVSS 9.5
EPSS 0.6% (46th pct)2026-03-04
S/MIME Certificate Subject Whitespace
CVE-2026-2748
Patch
CWE-295
High · CVSS 7.8
EPSS 0.2% (9th pct)2026-03-04
zip_attachments Path Traversal
CVE-2026-27442
Patch
CWE-22
Critical · CVSS 9.3
EPSS 0.5% (40th pct)2026-03-04
PGP Signature Reflection
CVE-2026-27445
Patch
CWE-347
Medium · CVSS 6.9
EPSS 0.2% (10th pct)2026-03-04
Header Email Address Parsing
CVE-2026-27444
Patch
CWE-436
High · CVSS 7.8
EPSS 0.4% (30th pct)2026-03-04
PGP Mixed Plaintext and Encrypted Content
CVE-2026-2747
Patch
CWE-200
Medium · CVSS 6.9
EPSS 0.4% (36th pct)2026-03-04
S/MIME Decryption Tag Sanitization Bypass
CVE-2026-27443
Patch
CWE-20
High · CVSS 8.2
EPSS 0.4% (30th pct)2026-03-04
Missing PGP Signature Tag
CVE-2026-2746
Patch
CWE-347
Medium · CVSS 6.9
EPSS 0.2% (10th pct)2026-03-04

Common weakness types

The CWE weakness categories most often found in seppmail secure email gateway CVEs. Follow any weakness for its full explanation.

CWE-20Improper Input Validation7 CVEs
CWE-90Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')2 CVEs
CWE-295Improper Certificate Validation2 CVEs
CWE-347Improper Verification of Cryptographic Signature2 CVEs
CWE-807Reliance on Untrusted Inputs in a Security Decision1 CVE
CWE-306Missing Authentication for Critical Function1 CVE
CWE-325Missing Cryptographic Step1 CVE
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVE

Other seppmail products

Browse vulnerabilities for other products by seppmail.

Secure Email Gateway30 CVEs seppmail12 CVEs SEPPmail Secure Email Gateway (SEG)2 CVEs SEPPmail Secure Email Gateway & SEPPmail Cloud1 CVEs

All seppmail vulnerabilities

Frequently asked questions

Common questions about seppmail secure email gateway vulnerabilities.

How many CVEs does seppmail seppmail secure email gateway have?: seppmail seppmail secure email gateway has 22 published CVE records since 2026.
How many seppmail seppmail secure email gateway CVEs are in CISA KEV?: None of seppmail seppmail secure email gateway's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Are there public exploits for seppmail seppmail secure email gateway vulnerabilities?: No seppmail seppmail secure email gateway CVEs currently have a tracked public exploit in this dataset.
Which versions of seppmail seppmail secure email gateway are affected?: 4 distinct seppmail seppmail secure email gateway versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in seppmail seppmail secure email gateway CVEs?: seppmail seppmail secure email gateway's CVEs most often map to these CWE weakness types: CWE-20 (Improper Input Validation), CWE-90 (Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')), CWE-295 (Improper Certificate Validation), CWE-347 (Improper Verification of Cryptographic Signature).
How many critical seppmail seppmail secure email gateway vulnerabilities are there?: seppmail seppmail secure email gateway has 2 critical and 8 high-severity CVEs.
What is the average severity of seppmail seppmail secure email gateway CVEs?: The average CVSS base score across seppmail seppmail secure email gateway's scored CVEs is 6.9.

References

All seppmail vulnerabilities
The MITRE CVE Program (opens in a new tab)
Learn: What is a CVE?
CWE directory: the weakness types these CVEs map to

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

Track seppmail secure email gateway vulnerabilities

Get an alert for each new seppmail secure email gateway CVE, with AI-written analysis and remediation steps.

Create an account See pricing

On this page

Overview
Severity and exploitation
Affected versions and CVEs
Common weakness types
Other products
FAQ
References