Description
SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to upload PGP keys with UIDs that do not match their email address.
Published: 2026-04-02
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized use of mismatched PGP keys
Action: Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 16 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Seppmail secure Email Gateway
CPEs cpe:2.3:a:seppmail:secure_email_gateway:*:*:*:*:*:*:*:*
Vendors & Products Seppmail secure Email Gateway
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Thu, 02 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 02 Apr 2026 08:45:00 +0000

Type Values Removed Values Added
Description SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to upload PGP keys with UIDs that do not match their email address.
Title UID Regex Bypass
First Time appeared Seppmail
Seppmail seppmail Secure Email Gateway
Weaknesses CWE-20
CPEs cpe:2.3:a:seppmail:seppmail_secure_email_gateway:*:*:*:*:*:*:*:*
Vendors & Products Seppmail
Seppmail seppmail Secure Email Gateway
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N'}


Subscriptions

Seppmail Secure Email Gateway Seppmail Secure Email Gateway
cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2026-04-02T14:50:21.869Z

Reserved: 2026-03-04T09:08:03.277Z

Link: CVE-2026-29133

cve-icon Vulnrichment

Updated: 2026-04-02T14:50:17.471Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-02T09:16:21.483

Modified: 2026-04-16T19:06:51.800

Link: CVE-2026-29133

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-02T20:22:10Z

Weaknesses