medium5.3
CVE-2025-46736
Umbraco Makes User Enumeration Feasible Based on Timing of Login Response
Impact
### Impact Based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists. ### Patches Patched in 10.8.10 and 13.8.1. ### Workarounds None available.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Umbraco.Cms | >= 11.0.0-rc1, < 13.8.1 | 13.8.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Umbraco | Umbraco Cms | before 10.8.10 from 10.9.0 before 13.8.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/umbraco/Umbraco-CMS/commit/14fbd20665b453cbf094ccf4575b79a9fba07e03
- https://github.com/umbraco/Umbraco-CMS/commit/34709be6cce9752dfa767dffbf551305f48839bc
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-4g8m-5mj5-c8xg
- https://github.com/advisories/GHSA-4g8m-5mj5-c8xg
- https://nvd.nist.gov/vuln/detail/CVE-2025-46736