by Kastro
Paper/Archive/CVE-2026-27442

CVE-2026-27442

SEPPmail Secure Email Gateway — zip_attachments Path Traversal

EPSS 0.5%CVSS 9.3
critical.is priorityof 100
36
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 40.2.402 × 208.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing an attacker to access files on the gateway.

Affected

ProductAffectedFixed inSource
Secure Email Gateway< 15.0.115.0.1CNA

Scores by source

NCSC.ch (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refdownloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure