CVE-2025-32017: umbraco cms Path Traversal — Fix

Description

Umbraco is a free and open source .NET content management system. Authenticated users to the Umbraco backoffice are able to craft management API request that exploit a path traversal vulnerability to upload files into a incorrect location. The issue affects Umbraco 14+ and is patched in 14.3.4 and 15.3.1.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-23 CWE-23

Affected Products

Vendor	Product	Versions
umbraco	umbraco_cms	14.0.0 — 14.3.4
umbraco	umbraco_cms	15.0.0 — 15.3.1

References

Advisories & Patches

https://github.com/umbraco/Umbraco-CMS/commit/06a2a500b358ce15b1e228391eb60bd517c6e833 https://github.com/umbraco/Umbraco-CMS/commit/d3c1443b14b1076faf13d1bcecc42860fdf5fad8 https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-q62r-8ppj-xvf4

Frequently Asked Questions

What is CVE-2025-32017? +

Umbraco is a free and open source .NET content management system. Authenticated users to the Umbraco backoffice are able to craft management API request that exploit a path traversal vulnerability to upload files into a incorrect location. The issue affects Umbraco 14+ and is patched in 14.3.4 and 15.3.1. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-32017? +

CVE-2025-32017 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-32017? +

CVE-2025-32017 affects products from umbraco, specifically: umbraco_cms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-32017? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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