CVE-2025-32017
Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users
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.
- Record
CVE-2025-32017- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-23
- Updated
- 2026-11-02
EUVDEUVD-2025-10387
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.
- Record
EUVD-2025-10387- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q62r-8ppj-xvf4
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.
- Record
GHSA-q62r-8ppj-xvf4- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-23
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-32017- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-23
- Updated
- 2026-11-02
OSV
Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users
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.
- Record
CVE-2025-32017- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-23
- Updated
- 2026-11-02
OSVGHSA-q62r-8ppj-xvf4
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.
- Record
GHSA-q62r-8ppj-xvf4- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-23
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Umbraco.CmsNuGet |
14.0.0--preview004 up to 14.3.4 | 14.3.4 |
Umbraco.CmsNuGet |
15.0.0-rc1 up to 15.3.1 | 15.3.1 |
Umbraco.CmsNuGet |
14.0.0--preview004 up to 14.3.4, plus listed versions 14.0.014.0.0-rc114.0.0-rc214.0.0-rc314.0.0-rc4 Show 15 moreShow less14.0.0-rc514.1.014.1.0-rc14.1.0-rc214.1.114.1.214.2.014.2.0-rc14.2.0-rc214.2.0-rc314.3.014.3.0-rc14.3.114.3.214.3.3 |
14.3.4 |
Umbraco.CmsNuGet |
15.0.0-rc1 up to 15.3.1, plus listed versions 15.0.015.0.0-rc215.0.0-rc315.0.0-rc415.1.0 Show 12 moreShow less15.1.0-rc15.1.0-rc215.1.115.1.215.2.015.2.0-rc15.2.115.2.215.2.315.3.015.3.0-rc15.3.0-rc2 |
15.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-32017 is a high vulnerability (CVSS 8.8) in Umbraco Umbraco-cms, published April 8, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. Fixed in Umbraco.Cms 14.3.4.
References
github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-q62r-8ppj-xvf4
nvd.nist.gov/vuln/detail/CVE-2025-32017