CVE-2026-28416 Gradio has SSRF via Malicious `proxy_url` Injection in `gr.load()` Config Processing
Attackers can force victim servers to make arbitrary HTTP requests via malicious Gradio Space configs, exposing internal services and cloud metadata.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-28416?
CVE-2026-28416 is a high-severity server-side request forgery vulnerability in Gradio Project Gradio, published on 27 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.6.0, a Server-Side Request Forgery (SSRF) vulnerability in Gradio allows an attacker to make arbitrary HTTP requests from a victim's server by hosting a malicious Gradio Space. When a victim application uses `gr.load()` to load an attacker-controlled Space, the malicious `proxy_url` from the config is trusted and added to the allowlist, enabling the attacker to access internal services, cloud metadata endpoints, and private networks through the victim's infrastructure. Version 6.6.0 fixes the issue.
Weakness: CWE-918
Which versions are affected by CVE-2026-28416?
3 open source packages ship an affected version, including gradio. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gradio PyPI | All versions | 6.6.0 |
gradio PyPI | All versions | 6.6.0 |
gradio PyPI | All versions | 6.6.0 |
Products include Gradio Project Gradio.
How do I fix CVE-2026-28416?
Upgrade gradio to 6.6.0 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-28416 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-28416 exists.
Other vulnerabilities in Gradio Project Gradio
- CVE-2024-39236 Withdrawn Advisory: Gradio was discovered to contain a code injection vulnerability via the component /gradio/component_meta.py
- CVE-2023-6572 Command Injection in gradio-app/gradio
- CVE-2022-24770 Improper Neutralization of Formula Elements in a CSV File in Gradio Flagging
- CVE-2026-49119 Gradio < 6.16.0 Path Traversal via FileExplorer.preprocess()
- CVE-2025-23042 Gradio Blocked Path ACL Bypass Vulnerability
Sources
Also known as GHSA-jmh7-g254-2cq9, PYSEC-2026-66.