CVE-2026-29137

Summary

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to hide security tags from users by crafting a long subject.

Affected Software

VendorProductVersion RangeStatus
SEPPmailSecure Email Gateway0 < 15.0.3affected

Weaknesses

  • CWE-20: CWE-20 Improper Input Validation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References