Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality
Impact
An improper API access control issue has been identified, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section.
Patches
Will be patched in 14.3.3 and 15.2.3.
Workarounds
None available.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Umbraco.Cms.Api.Management | >= 15.0.0-rc1, < 15.2.3, < 14.3.3 | 15.2.3, 14.3.3 |
References
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-6ffg-mjg7-585x
- https://nvd.nist.gov/vuln/detail/CVE-2025-27601
- https://github.com/umbraco/Umbraco-CMS/commit/d9fb6df16e9adf8656181cac8497fc5ba23321cd
- https://github.com/umbraco/Umbraco-CMS/commit/ebb6a580dc1da2c772a99838dc7b4660bf77eb9c
- https://github.com/umbraco/Umbraco-CMS
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N- Weakness (CWE)
CWE-285, CWE-863- Platform
- .NET (NuGet)
- Package
Umbraco.Cms.Api.Management- Disclosed
- 11.03.2025
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6ffg-mjg7-585x - CC BY 4.0
Vulnerability history: Umbraco.Cms.Api.Management
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
- 2
- First → latest
- 08.2024 03.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 2
Disclosures per year
- 2024: 1
- 2025: 1
- 2026: 0
-
Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality this entry
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