EUVD-2026-18142
GHSA-69rr-jvgq-g678
4.9
CVSS 4.0
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CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X
Lifecycle Timeline
3
EUVD ID Assigned
Apr 02, 2026 - 09:00 euvd
EUVD-2026-18142
Analysis Generated
Apr 02, 2026 - 09:00 vuln.today
CVE Published
Apr 02, 2026 - 08:46 nvd
MEDIUM 4.9
Description
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users.
Analysis
SEPPmail Secure Email Gateway before version 15.0.3 allows remote attackers to read encrypted email contents intended for other users by crafting specially malformed email addresses that exploit LDAP injection in the recipient validation process. This information disclosure vulnerability affects all versions prior to 15.0.3 and requires only network access to send a specially crafted email, making it a practical attack vector against organizations using vulnerable SEPPmail deployments.
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Priority Score
25
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +24
POC: 0
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