What’s Vulnerable › Vulnerabilities
CVE-2024-47869: Non-constant-time comparison when comparing hashes in Gradio
- Severity: low (CVSS 3.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-10-10 · updated 2026-06-17
- Weakness: CWE-203
Description
Gradio is an open-source Python package designed for quick prototyping. This vulnerability involves a **timing attack** in the way Gradio compares hashes for the `analytics_dashboard` function. Since the comparison is not done in constant time, an attacker could exploit this by measuring the response time of different requests to infer the correct hash byte-by-byte. This can lead to unauthorized access to the analytics dashboard, especially if the attacker can repeatedly query the system with different keys. Users are advised to upgrade to `gradio>4.44` to mitigate this issue. To mitigate the risk before applying the patch, developers can manually patch the `analytics_dashboard` dashboard to use a **constant-time comparison** function for comparing sensitive values, such as hashes. Alternatively, access to the analytics dashboard can be disabled.
Affected products
- gradio-app gradio: before 4.44.0 — fixed in 4.44.0
How to fix
Upgrade to a fixed version: gradio-app gradio 4.44.0. Check the vendor advisory for mitigations.
References
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