VULNERABILITY INTELLIGENCE

CVE-2026-27444

CVSS score7.8 HIGH
EPSS probability0.25%
CISA KEVNot currently listed
Published2026-03-04
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N

Description

SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.

Weakness classification

  • CWE-436: Interpretation Conflict

Primary references