What’s Vulnerable › Vulnerabilities

CVE-2024-29021: SSRF into Sandbox Escape through Unsafe Default Configuration

• Severity: critical (CVSS 9.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 20.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-18 · updated 2026-06-17
• Weakness: CWE-918

Description

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: all versions

References

• https://github.com/judge0/judge0/blob/ad66f77b131dbbebf2b9ff8083dca9a68680b3e5/app/jobs/isolate_job.rb#L203-L230
• https://github.com/judge0/judge0/security/advisories/GHSA-q7vg-26pg-v5hr
• https://github.com/judge0/judge0/blob/ad66f77b131dbbebf2b9ff8083dca9a68680b3e5/app/jobs/isolate_job.rb#L203-L230
• https://github.com/judge0/judge0/security/advisories/GHSA-q7vg-26pg-v5hr

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