CVE-2026-9592highCWE-598

CVE-2026-9592: high-severity vulnerability in SEPPmail Secure Email Gateway & SEPPmail Cloud

Sensitive Information Disclosure in HTTP header

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.2%
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.
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
Affected products
SEPPmail · SEPPmail Secure Email Gateway & SEPPmail Cloud