# CVE-2026-9592

## Summary

- **CVE ID:** CVE-2026-9592
- **Severity:** HIGH
- **CVSS Score:** 7.5 (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)
- **CWE:** CWE-598
- **Published:** Jul 17, 2026
- **Last Modified:** Jul 17, 2026

## 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.

## Affected Products

- SEPPmail — SEPPmail Secure Email Gateway & SEPPmail Cloud (15.0.4.2)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.24%
- **EPSS Percentile:** 15.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._