CVE-2026-27445

MEDIUM

SEPPmail Secure Email Gateway <15.0.1 - Auth Bypass

Title source: llm
STIX 2.1

Description

SEPPmail Secure Email Gateway before version 15.0.1 does not properly verify that a PGP signature was generated by the expected key, allowing signature spoofing.

Scores

CVSS v3 5.3
EPSS 0.0002
EPSS Percentile 6.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-347
Status published
Products (1)
seppmail/seppmail < 15.0.1
Published Mar 04, 2026
Tracked Since Mar 04, 2026