CVE-2026-44127 Local File Inclusion (LFI) and Arbitrary File Deletion
Remote attackers can read arbitrary files and delete files via path traversal in the attachment preview API.
- 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-2026-44127?
CVE-2026-44127 is a high-severity path traversal 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 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the privileges of the api.app process.
Weakness: CWE-73
Which versions are affected by CVE-2026-44127?
How do I fix CVE-2026-44127?
No fix has been published for CVE-2026-44127 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-2026-44127 being exploited?
There is no known exploitation of CVE-2026-44127 in the wild and no public exploit code.
Sources
Also known as GHSA-gh4w-5vrf-hhcg.