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CVE-2026-29140

7.7 high SSVC exploitation: none Analyzed
NVD · CVE.org

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to cause attacker-controlled certificates to be used for future encryption to a victim by adding the certificates to S/MIME signatures.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 7.7 · seppmailNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:seppmail:secure_email_gateway:*:*:*:*:*:*:*:*

References 1