CVE Intelligence

QingdaoU vulnerabilities

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Published CVEs affecting QingdaoU products: 1 record(s), with severity, exploitation and fixes.

OnlineJudge 1

Exploited only (KEV) →

CVE-2026-5538 Medium · 6.3 CWE-918 Apr 5, 2026
QingdaoU OnlineJudge judge_server_heartbeat Endpoint JudgeServer.service_url server-side request forgery
A vulnerability was detected in QingdaoU OnlineJudge up to 1.6.1. Affected by this issue is the function service_url of the file JudgeServer.service_url of the component judge_server_heartbeat Endpoint. The manipulation results in server-side request forgery. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.