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TI-2026-02351 Aliases CVE-2026-2746GHSA-27h3-67h6-73p2

Missing PGP Signature Tag

Priority LOW 36CWE-347Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00173 6th percentileScored 2026-11-07
Fix Fixed Secure Email Gateway (SEPPmail): 15.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SEPPmailSecure Email Gatewaybefore 15.0.115.0.1Patch availableCNA
  • Secure Email Gateway VendorSEPPmail Affected before 15.0.1 Fixed in 15.0.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:seppmail:seppmail:*:*:*:*:*:*:*:*before 15.0.1VulnerableSEPPmail
  • cpe:2.3:a:seppmail:seppmail:*:*:*:*:*:*:*:* Versions before 15.0.1 Vulnerable ·SEPPmail

Remediation

  • Fix · CNA Secure Email Gateway (SEPPmail) Fixed in 15.0.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    SEPPmail Secure Email Gateway 15.0.1

    8 records Highest priority Priority MEDIUM 4 MEDIUM, 4 LOW

    Other records, highest priority first

    Show all 8 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2746
  2. 2026-10-03 Alias added: GHSA-27h3-67h6-73p2

References

Advisory 1

  • TI-2026-02349 SEPPmail User Web Interface Arbitrary File Write to RCE CVSS 4.0CRITICAL 10.0
  • TI-2021-11768 SEPPMail's web frontend, user input is not embedded correctly in the web page and… CVSS 3.1MEDIUM 6.1
  • TI-2021-11767 The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS)… CVSS 3.1MEDIUM 6.1
  • TI-2026-21852 PDF Password CMDi CVSS 4.0CRITICAL 9.5
  • TI-2026-21853 zip_attachments Path Traversal CVSS 4.0CRITICAL 9.3
  • TI-2026-21854 S/MIME Decryption Tag Sanitization Bypass CVSS 4.0HIGH 8.2
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences