CVE-2026-2746 - Vulnerability Details - OpenCVE

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Seppmail	Seppmail Secure Email Gateway

No data.

No data.

References

Link	Providers
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure

History

Wed, 04 Mar 2026 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 04 Mar 2026 09:15:00 +0000

Type	Values Removed	Values Added
Description		SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails.
Title		Missing PGP Signature Tag
First Time appeared		Seppmail Seppmail seppmail Secure Email Gateway
Weaknesses		CWE-347
CPEs		cpe:2.3:a:seppmail:seppmail_secure_email_gateway::::::::
Vendors & Products		Seppmail Seppmail seppmail Secure Email Gateway
References		https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure
Metrics		cvssV4_0 `{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published: 2026-03-04T08:44:31.726Z

Updated: 2026-03-04T21:26:24.749Z

Reserved: 2026-02-19T13:56:30.878Z

Link: CVE-2026-2746

Vulnrichment

Updated: 2026-03-04T21:26:21.203Z

NVD

Status : Awaiting Analysis

Published: 2026-03-04T09:15:57.960

Modified: 2026-03-04T18:08:05.730

Link: CVE-2026-2746

Redhat

No data.

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