SB2026042849 - Absolute Path Traversal in Gradio

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Main Vulnerability Database SB2026042849

SB2026042849 - Absolute Path Traversal in Gradio

Published: April 28, 2026

Security Bulletin ID SB2026042849
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Absolute Path Traversal (CVE-ID: CVE-2026-28414)

CWE-ID: CWE-36 - Absolute Path Traversal

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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.

References