Umbraco CMS disclosure of configured password requirements
Impact
Via a request to an anonymously authenticated endpoint it's possible to retrieve information about the configured password requirements. The information available is limited but would perhaps give some additional detail useful for someone attempting to brute force derive a user's password.
The vulnerability can be found in the supported Umbraco versions 10 and 13. It was not exposed in Umbraco 7 or 8, nor in 14 or higher versions.
Patches
Patched in 10.8.11 and 13.9.2
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Umbraco.Cms | >= 10.0.0, < 10.8.11, >= 13.0.0, < 13.9.2 | 10.8.11, 13.9.2 |
References
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-pgvc-6h2p-q4f6
- https://nvd.nist.gov/vuln/detail/CVE-2025-49147
- https://github.com/umbraco/Umbraco-CMS/commit/b4144564c836ec6929111ce2a12eb1f67b42d61e
- https://github.com/umbraco/Umbraco-CMS/commit/d8f68d2c40f8e158bd81d469f25ef3a4e1d86c4c
- https://github.com/umbraco/Umbraco-CMS
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-497- Platform
- .NET (NuGet)
- Package
Umbraco.Cms- Disclosed
- 24.06.2025
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-pgvc-6h2p-q4f6 - 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 CMS disclosure of configured password requirements 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.