Seppmail Vulnerabilities

Comprehensive security vulnerability database for Seppmail products

Last updated: Mar 4, 2026
Total CVEs

3

Critical

3

With Exploits

5

Last 30 Days

0

Severity Distribution

Critical3
100%
High3
100%
Medium3
100%
Low0
0%
DescriptionVendor / ProductExploit Status
CVE-2026-27476.9

This vulnerability allows an attacker to potentially access sensitive information in decrypted inline PGP messages because the system does not properly separate these messages from unencrypted content. For this to happen, the attacker must be able to send or manipulate emails that reach the SEPPmail Secure Email Gateway before version 15.0.1.

seppmailseppmail
Exploit Available
about 1 month agoMar 4, 2026
CVE-2026-27466.9

This vulnerability allows an attacker to send forged emails that appear legitimate, as the email gateway fails to properly show whether the PGP signatures are valid. Users must be using SEPPmail Secure Email Gateway versions before 15.0.1 for this issue to affect them.

seppmailseppmail
Exploit Available
about 1 month agoMar 4, 2026
CVE-2026-274456.9

This vulnerability allows an attacker to create fake email signatures that appear to come from trusted sources, potentially tricking recipients into believing the messages are legitimate. It affects versions of the SEPPmail Secure Email Gateway before 15.0.1 and occurs because the system fails to properly check if the signature is from the correct key.

seppmailseppmail
Theoretical
about 1 month agoMar 4, 2026

About Seppmail Security

This page tracks all publicly disclosed security vulnerabilities (CVEs) affecting Seppmail products. Our database is updated in real-time from the National Vulnerability Database (NVD) and enriched with exploit information from GitHub and other security research sources.

Each CVE listing includes CVSS severity scores, exploit availability status, AI-powered vulnerability summaries, and links to official patches and security advisories.