CVE-2026-9592 HIGH

CVE-2026-9592: Sensitive Information Disclosure in HTTP header

Weakness CWE-598
Published July 17, 2026
Last update July 17, 2026

CVSS base score

7.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 17, 2026 CVE published
July 17, 2026 Record updated