Improper access control in Gradio - CVE-2025-23042
Published: January 14, 2025 / Updated: April 28, 2026
Vulnerability identifier: #VU128297
CSH Severity: Medium
CVSS v4.0: 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
CVE-ID: CVE-2025-23042
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gradio
Affected software:
Gradio
Gradio
Detailed vulnerability description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in the blocked_paths file path validation logic when handling file access requests with case-altered paths on case-insensitive file systems. A remote attacker can request a specially crafted file path to disclose sensitive information.
Only deployments on case-insensitive file systems, such as Windows and macOS, are affected.
How to mitigate CVE-2025-23042
Install security update from vendor's website.