CVE-2026-29144: SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge…
CVE-2026-29144 · Severity: medium · CVSS 5.3 · Published 2026-04-02
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters.
No. Junglewise Threat Intelligence has no report of CVE-2026-29144 being exploited in the wild.
How severe is CVE-2026-29144?
Medium severity, with a CVSS score of 5.3, published 2 April 2026.
Which products and versions are affected?
Seppmail Secure Email Gateway. The advisory does not name versions.
Is there a fix for CVE-2026-29144?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-29144?
Check whether you run Seppmail Secure Email Gateway. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.