CVE-2026-9592 Sensitive Information Disclosure in HTTP header
Attackers can hijack user sessions in the GINA web portal because session tokens are exposed in URLs and HTTP headers, leading to unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9592?
CVE-2026-9592 is a high-severity vulnerability in SEPPmail Secure Email Gateway & SEPPmail Cloud, published on 17 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-598
Which versions are affected by CVE-2026-9592?
How do I fix CVE-2026-9592?
No fix has been published for CVE-2026-9592 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-9592 being exploited?
There is no known exploitation of CVE-2026-9592 in the wild and no public exploit code.
Sources
Also known as GHSA-2rg6-hxw2-6rh8.