CVE-2025-44137
CVE-2025-44137 is a high-severity vulnerability in Maptiler Tileserver Php with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-23022
- Weakness: CWE-22
- Affected product: Maptiler Tileserver Php
- Published:
- Last modified:
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"
Frequently asked questions
- What is CVE-2025-44137?
- 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"
- How severe is CVE-2025-44137?
- CVE-2025-44137 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
- Is CVE-2025-44137 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-44137?
- CVE-2025-44137 affects Maptiler Tileserver Php. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-44137?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-44137 have an EU (EUVD) identifier?
- Yes. CVE-2025-44137 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23022.
- When was CVE-2025-44137 published?
- CVE-2025-44137 was published on 2025-07-29 and last updated on 2026-06-17.
References
- https://github.com/maptiler/tileserver-php/commit/4fe14e6164bbe2a3f9e3b3d7acf303e3ec210c8e
- https://github.com/maptiler/tileserver-php/issues/167
- https://github.com/mheranco/CVE-2025-44137
Affected products (1)
- cpe:2.3:a:maptiler:tileserver_php:2.0:*:*:*:*:*:*:*
More vulnerabilities in Maptiler Tileserver Php
- CVE-2025-44136 — Critical (CVSS 9.8): MapTiler Tileserver-php v2.0 is vulnerable to Cross Site Scripting (XSS). The GET parameter "layer" is reflected in an…
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