CVE catalog

CVE-2026-29138

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.

[CVE catalog]

Severity
Medium · CVSS 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
Source
[NVD] · [CVE record]
EPSS
0.22% · Oct 25, 2026

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Cpesecure_email_gatewayNot reported15.0.3fixed
Cpesecure_email_gatewayNot reported15.0.3fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Cpesecure_email_gatewaycpeNot reported15.0.3Not reportedNot reportedNot reported
Cpesecure_email_gatewaycpeNot reported15.0.3Not reportedNVD-CVE-2026-29138Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References