CVE-2026-84423 | Casdoor up to 4.0.0 upload-resource API controllers/resource.go missing authentication (Issue 5617)

September 1, 2026 Yanac

A vulnerability categorized as critical has been discovered in Casdoor up to 4.0.0. This affects an unknown function of the file controllers/resource.go of the component upload-resource API. Such manipulation leads to missing authentication.

This vulnerability is referenced as CVE-2026-84423. It is possible to launch the attack remotely. Furthermore, an exploit is available.

The vendor deleted the GitHub issue for this vulnerability without any explanation. Afterwards the vendor was contacted early about this disclosure via email but did not respond in any way.VulDB Recent EntriesRead More