What’s Vulnerable › Vulnerabilities

CVE-2024-48920: PutongOJ: unprivileged users can escalate privileges by constructing requests

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-17 · updated 2026-06-17
• Weakness: CWE-306

Description

PutongOJ is online judging software. Prior to version 2.1.0-beta.1, unprivileged users can escalate privileges by constructing requests. This can lead to unauthorized access, enabling users to perform admin-level operations, potentially compromising sensitive data and system integrity. This problem has been fixed in v2.1.0.beta.1. As a workaround, one may apply the patch from commit `211dfe9` manually.

Affected products

• Putongoj: before 2.1.0-beta.1 — fixed in 2.1.0-beta.1

How to fix

Upgrade to a fixed version: Putongoj 2.1.0-beta.1. Check the vendor advisory for mitigations.

References

• https://github.com/acm309/PutongOJ/commit/211dfe9ebf1c6618ce5396b0338de4f9b580715e#diff-782628b47d666d5d551e040815ca3f80c0704397258718f0e0f31164608ea7beL118-R120
• https://github.com/acm309/PutongOJ/releases/tag/v2.1.0-beta.1
• https://github.com/acm309/PutongOJ/security/advisories/GHSA-gj6h-73c5-xw6f

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