In browser-use (aka Browser Use) before 0.1.45, URL parsing of allowed_domains is…
Priority MEDIUM 52CWE-647Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
In browser-use (aka Browser Use) before 0.1.45, URL parsing of allowed_domains is mishandled because userinfo can be placed in the authority component.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00462 40th percentileScored 2026-11-07
Fix Fixed browser-use (browser-use): 0.1.45browser-use (PyPI): 0.1.45
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| browser-use | browser-use | before 0.1.45 | 0.1.45 | Patch available | CNA |
| — | browser-use (PyPI) | before 0.1.45 | 0.1.45 | Patch available | GHSA-x39x-9qw5-ghrf |
- browser-use Vendorbrowser-use Affected before 0.1.45 Fixed in 0.1.45 Patch available CNA
- browser-use (PyPI) Vendor— Affected before 0.1.45 Fixed in 0.1.45 Patch available GHSA-x39x-9qw5-ghrf
Remediation
- Fix · CNA browser-use (browser-use) Fixed in 0.1.45
- Fix · GHSA-x39x-9qw5-ghrf browser-use (PyPI) Fixed in 0.1.45 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-47241
- 2026-10-03 Alias added: GHSA-x39x-9qw5-ghrf
References
Other 6
- https://github.com/browser-use/browser-use/security/advisories/GHSA-x39x-9qw5-ghrf
- https://github.com/browser-use/browser-use/releases/tag/0.1.45
- https://github.com/browser-use/browser-use/pull/1561
- https://github.com/browser-use/browser-use
- https://github.com/pypa/advisory-database/tree/main/vulns/browser-use/PYSEC-2026-300.yaml
- https://pypi.org/project/browser-use
More browser-use vulnerabilities
- TI-2026-56975 browser-use web-ui 2.0.0 through 3.0.0 Arbitrary Directory Creation CVSS 4.0MEDIUM 6.9
- TI-2026-56978 browser-use web-ui 2.0.0 through 3.0.0 Cleartext API Key Storage CVSS 4.0MEDIUM 6.8
Sources
- CVE-2025-47241 · CVE Program
- CVE-2025-47241 · NVD
- FIRST EPSS
- GHSA-x39x-9qw5-ghrf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences