SB2021121548 - Improper access control in Gradio
Published: December 15, 2021 Updated: April 28, 2026
Security Bulletin ID
SB2021121548
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2021-43831)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in static file serving when handling requests for user-specified relative file paths. A remote attacker can request a known relative file path to disclose sensitive information.
Exposure is possible while a publicly shared Gradio link is active.
Remediation
Install update from vendor's website.