Gradio has a race condition in update_root_in_config may redirect user traffic
Impact
What kind of vulnerability is it? Who is impacted?
This vulnerability involves a race condition in the update_root_in_config function, allowing an attacker to modify the root URL used by the Gradio frontend to communicate with the backend. By exploiting this flaw, an attacker can redirect user traffic to a malicious server. This could lead to the interception of sensitive data such as authentication credentials or uploaded files. This impacts all users who connect to a Gradio server, especially those exposed to the internet, where malicious actors could exploit this race condition.
Patches
Yes, please upgrade to gradio>=5 to address this issue.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | gradio | < 5.0.0 | 5.0.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H- Weakness (CWE)
CWE-362- Platform
- Python (PyPI)
- Package
gradio- Disclosed
- 10.10.2024
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2024-218 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-xh2x-3mrm-fwqm - CC BY 4.0
Vulnerability history: gradio
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 51
- First → latest
- 12.2021 07.2026
- Without a fix
- 13
- Exploited in attacks
- 0
Severity breakdown
- Critical 5
- High 19
- Medium 22
- Low 5
Disclosures per year
- 2021: 1
- 2022: 1
- 2023: 5
- 2024: 28
- 2025: 9
- 2026: 7
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Gradio has a race condition in update_root_in_config may redirect user traffic this entry
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