CVE-2025-44137

HIGH EXPLOITED NUCLEI

MapTiler Tileserver-php v2.0 - Path Traversal via TileMatrix, TileRow, TileCol, and Format Parameters

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2025-44137 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including mheranco. A Nuclei detection template is also available.

AI-analyzed exploit summary This PoC demonstrates an unauthenticated directory traversal vulnerability in MapTiler Tileserver-php v2.0, allowing arbitrary file read via manipulated GET parameters. The exploit leverages improper path sanitization in the `renderTile` function to traverse directories and access sensitive files like `/etc/passwd`.

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"

Exploits (1)

nomisec WORKING POC
by mheranco · infoleak
https://github.com/mheranco/CVE-2025-44137

This PoC demonstrates an unauthenticated directory traversal vulnerability in MapTiler Tileserver-php v2.0, allowing arbitrary file read via manipulated GET parameters. The exploit leverages improper path sanitization in the `renderTile` function to traverse directories and access sensitive files like `/etc/passwd`.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MapTiler Tileserver-php v2.0
No auth needed
Prerequisites: Network access to the vulnerable Tileserver-php instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

MapTiler Tileserver-php v2.0 - Unauthenticated File Read
HIGHVERIFIEDby 0x_Akoko
Shodan: title:"TileServer-php"
FOFA: title="TileServer-php"

Scores

CVSS v3 8.2
EPSS 0.0061
EPSS Percentile 70.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

VulnCheck KEV 2025-11-27
CWE
CWE-22
Status published
Products (1)
maptiler/tileserver_php 2.0
Published Jul 29, 2025
Tracked Since Feb 18, 2026