SB2026042849 - Absolute Path Traversal in Gradio
Published: April 28, 2026
Security Bulletin ID
SB2026042849
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Absolute Path Traversal (CVE-ID: CVE-2026-28414)
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to absolute path traversal in Gradio's static file handling when processing crafted root-relative path requests on Windows with Python 3.13+. A remote attacker can send a specially crafted request to disclose sensitive information.
The issue affects Gradio apps running on Windows with Python 3.13+ and can expose arbitrary files readable by the Windows user running Gradio, even when Gradio is configured with authentication.
Remediation
Install update from vendor's website.