CVE-2026-2747 MEDIUM

CVE-2026-2747: PGP Mixed Plaintext and Encrypted Content

Vendor Seppmail
Product Secure Email Gateway
Weakness CWE-200 · Info exposure
Published March 4, 2026
Last update March 4, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N

What the vulnerability does

01Description

SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor.

Key dates

02Disclosure timeline

March 4, 2026 CVE published
March 4, 2026 Record updated