VULNERABILITY INTELLIGENCE

CVE-2026-29138

CVSS score7.5 HIGH
EPSS probability0.22%
CISA KEVNot currently listed
Published2026-04-02
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.

Weakness classification

  • vulnerability@ncsc.ch: CWE-90

Primary references