TI-2026-22689 Aliases CVE-2026-28415 GHSA-pfjf-5gxr-995x

Gradio has Open Redirect in OAuth Flow

LOW 21CWE-200Published 2026-02-27 · Updated 2026-03-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Information disclosure, Security bypass, Spoofing
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200, CWE-284 and CWE-601.

Summary

Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.6.0, the _redirect_to_target() function in Gradio's OAuth flow accepts an unvalidated _target_url query parameter, allowing redirection to arbitrary external URLs. This affects the /logout and /login/callback endpoints on Gradio apps with OAuth enabled (i.e. apps running on Hugging Face Spaces with gr.LoginButton). Starting in version 6.6.0, the _target_url parameter is sanitized to only use the path, query, and fragment, stripping any scheme or host.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00288 21st percentileScored 2026-11-07

Fix Fixed gradio (gradio-app): 6.6.0gradio (PyPI): 6.6.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
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
gradio-app	gradio	before 6.6.0	6.6.0	Patch available	CNA
—	gradio (PyPI)	before 6.6.0	6.6.0	Patch available	GHSA-pfjf-5gxr-995x

gradio Vendorgradio-app Affected before 6.6.0 Fixed in 6.6.0 Patch available CNA
gradio (PyPI) Vendor— Affected before 6.6.0 Fixed in 6.6.0 Patch available GHSA-pfjf-5gxr-995x

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gradio_project:gradio::::::python::*	before 6.6.0	Vulnerable	gradio-app

cpe:2.3:a:gradio_project:gradio:*:*:*:*:*:python:*:* Versions before 6.6.0 Vulnerable ·gradio-app

Remediation

Fix · CNA gradio (gradio-app) Fixed in 6.6.0
Fix · GHSA-pfjf-5gxr-995x gradio (PyPI) Fixed in 6.6.0 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2026-28415
2026-10-03 Alias added: GHSA-pfjf-5gxr-995x

References

Advisory 2

Other 4

TI-2024-26222 Gradio v4.36.1 was discovered to contain a code injection vulnerability via the component… CVSS 3.1CRITICAL 9.8
TI-2024-01607 Local File Inclusion in gradio-app/gradio CVSS 3.1HIGH 7.5
TI-2024-00889 LFI in Gradio CVSS 3.1CRITICAL 9.4
TI-2025-16852 Gradio Blocked Path ACL Bypass Vulnerability CVSS 4.0HIGH 8.7
TI-2026-22690 Gradio has SSRF via Malicious `proxy_url` Injection in `gr.load()` Config Processing CVSS 3.1HIGH 8.6
TI-2024-09866 Path Traversal in gradio-app/gradio CVSS 3.0HIGH 8.2

See all 49 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences