CVE-2025-44137 Path traversal in n/a
An attacker can read arbitrary files on the web server by manipulating tile request parameters in MapTiler Tileserver-php.
- 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-2025-44137?
CVE-2025-44137 is a high-severity path traversal vulnerability in n/a, published on 29 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MapTiler Tileserver-php v2.0 is vulnerable to Directory Traversal. The renderTile function within tileserver.php is responsible for delivering tiles that are stored as files on the server via web request. Creating the path to a file allows the insertion of "../" and thus read any file on the web server. Affected GET parameters are "TileMatrix", "TileRow", "TileCol" and "Format"
Weakness: CWE-22
Which versions are affected by CVE-2025-44137?
It affects 1 product.
Products include Maptiler Tileserver Php.
How do I fix CVE-2025-44137?
No fix has been published for CVE-2025-44137 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-2025-44137 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-44137 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cw3g-mjrp-g48q.