CVE-2026-5538
MEDIUM
NVD
CVSS Score
6.3
Severity
MEDIUM
Published
Apr 05, 2026
Vendor
unknown
Description
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.