CVE-2024-29021: JUDGE0

Critical severity, CVSS 9.0. EPSS: 20.2% chance of exploitation in the next 30 days.

Judge0 is an open-source online code execution system. The default configuration of Judge0 leaves the service vulnerable to a sandbox escape via Server Side Request Forgery (SSRF). This allows an attacker with sufficient access to the Judge0 API to obtain unsandboxed code execution as root on the target machine. This vulnerability is fixed in 1.13.1.

Affected products

• JUDGE0 JUDGE0: up to and including 1.13.0; affected versions not specified

Published 2024-04-18. Last modified 2026-06-17.