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CVE-2026-2746

Missing PGP Signature Tag

MEDIUM
5.3
CVSS Score
Published: March 4, 2026 at 08:44 AM UTC
Updated: June 17, 2026 at 10:31 AM UTC
2 products affected across 1 vendorSEPPmailSecure Email Gateway

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SEPPmail· Seppmail
95%
v < 15.0.1
Secure Email Gateway· Seppmail
60%
v < 15.0.1
Affected range stops below 15.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Release NotesVendor Advisory
Source: cverecord
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-347

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