CVE-2026-27442 zip_attachments Path Traversal
An attacker can access arbitrary files on the SEPPmail Secure Email Gateway via path traversal in attachment filenames.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27442?
CVE-2026-27442 is a critical path traversal vulnerability in SEPPmail Secure Email Gateway, published on 4 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing an attacker to access files on the gateway.
Weakness: CWE-22
Which versions are affected by CVE-2026-27442?
It affects 1 product.
Products include Seppmail Seppmail.
How do I fix CVE-2026-27442?
No fix has been published for CVE-2026-27442 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-27442 being exploited?
There is no known exploitation of CVE-2026-27442 in the wild and no public exploit code.
Other vulnerabilities in SEPPmail Secure Email Gateway
Sources
Also known as GHSA-rm39-837c-v934.