CVE-2026-7864 Exposure of Sensitive Information to an Unauthorized Actor
Remote attackers can obtain sensitive system information via an unauthenticated endpoint in the GINA UI of SEPPmail Secure Email Gateway.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7864?
CVE-2026-7864 is a medium-severity vulnerability in SEPPmail AG Secure Email Gateway, published on 8 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenticated endpoint in the new GINA UI, allowing remote attackers to obtain sensitive system information.
Weakness: CWE-497
Which versions are affected by CVE-2026-7864?
How do I fix CVE-2026-7864?
No fix has been published for CVE-2026-7864 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-7864 being exploited?
There is no known exploitation of CVE-2026-7864 in the wild and no public exploit code.
Sources
Also known as GHSA-987g-rmgr-mpfx.