Use of Non-Canonical URL Paths for Authorization Decisions Affecting browser-use package, versions [,0.1.45)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-BROWSERUSE-10118296
- published14 May 2025
- disclosed5 May 2025
- creditMykyta Mudryi, markiyanch
Introduced: 5 May 2025
NewCVE-2025-47241 (opens in a new tab)How to fix?
Upgrade browser-use to version 0.1.45 or higher.
Overview
browser-use is a Make websites accessible for AI agents
Affected versions of this package are vulnerable to Use of Non-Canonical URL Paths for Authorization Decisions through the _is_url_allowed() method, that responsible for checking allowed_domains list from BrowserContextConfig class . An attacker can manipulate basic authentication credentials and access restricted internal services by providing a username: password pair where the username is a whitelisted domain, effectively bypassing the domain check, even though the actual domain remains different.
Note: The vulnerability affects all users relying on this functionality for security and allows unauthorized enumeration of localhost services and internal networks.