CVE-2026-102810 Marmite through 0.4.2 Path Traversal via Development Server
Unauthenticated attackers can read arbitrary files via path traversal in the Marmite development server, requiring the --serve flag.
- 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-2026-102810?
CVE-2026-102810 is a high-severity path traversal vulnerability in rochacbruno marmite, published on 29 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Marmite through 0.4.2 contains a path traversal vulnerability in the development server started by --serve that allows unauthenticated attackers to read arbitrary files. The handle_request function in src/server.rs fails to reject .. segments after percent-decoding and joining the request path to the output folder, enabling attackers to request encoded traversal sequences to access files readable by the marmite process.
Weakness: CWE-22
Which versions are affected by CVE-2026-102810?
How do I fix CVE-2026-102810?
No fix has been published for CVE-2026-102810 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-2026-102810 being exploited?
There is no known exploitation of CVE-2026-102810 in the wild and no public exploit code.
Sources
Also known as GHSA-wxwc-rm4m-p2q7.