CVE-2026-84423

High

Description

A vulnerability has been found 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. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. 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.

SeverityHigh
CVSS7.3
Exploit probability—
ProductCasdoor
PublishedSep 1, 2026
First seenSep 1, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
casdoor casdoor4.0—

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CVE-2026-84423 · Casdoor · Dark Radar