medium6.3
CVE-2026-5538
A vulnerability was detected in QingdaoU OnlineJudge up to 1.6.1.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| QingdaoU OnlineJudge | before 1.6.1. |
Versions were read from the advisory text. No structured product data has been published for this record yet.