CVE-2026-9592

HIGH

SEPPmail Secure Email Gateway & SEPPmail Cloud - Sensitive Information Disclosure in HTTP Header

Title source: rule

Description

SEPPmail Secure Email Gateway & SEPPmail Cloud before version 15.0.4.2 allows an attacker to replay & hijack a user session in the GINA web portal, as the session token is disclosed inside the URL and a HTTP header.

References (1)

Core 1

Core References

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#remove-login-redirect-to-prevent-disclosure-of-session-token-information

Scores

CVSS v4 7.5

EPSS 0.0015

EPSS Percentile 5.0%

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-598

Status published

Products (1)

SEPPmail/SEPPmail Secure Email Gateway & SEPPmail Cloud 15.0.4.2

Published Jul 17, 2026

Tracked Since Jul 17, 2026