Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users
Impact
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.
Patches
The issue affects Umbraco 14+ and is patched in 14.3.4 and 15.3.1.
Workarounds
Umbraco supports the configuration of allowed and disallowed file extensions. Using these options to allow only necessary file extensions significantly reduces the scope of the vulnerability.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Umbraco.Cms | >= 14.0.0--preview004, < 14.3.4, >= 15.0.0-rc1, < 15.3.1 | 14.3.4, 15.3.1 |
References
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-q62r-8ppj-xvf4
- https://nvd.nist.gov/vuln/detail/CVE-2025-32017
- https://github.com/umbraco/Umbraco-CMS/commit/06a2a500b358ce15b1e228391eb60bd517c6e833
- https://github.com/umbraco/Umbraco-CMS/commit/d3c1443b14b1076faf13d1bcecc42860fdf5fad8
- https://github.com/umbraco/Umbraco-CMS
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-22, CWE-23- Platform
- .NET (NuGet)
- Package
Umbraco.Cms- Disclosed
- 09.04.2025
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-q62r-8ppj-xvf4 - CC BY 4.0
Vulnerability history: Umbraco.Cms
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 29
- First → latest
- 05.2022 09.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 5
- Medium 17
- Low 7
Disclosures per year
- 2022: 2
- 2023: 8
- 2024: 5
- 2025: 8
- 2026: 6
-
Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.