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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/casdoor/casdoor/
cna@vuldb.com
https://github.com/casdoor/casdoor/issues/5617
cna@vuldb.com
https://github.com/geo-chen/oss/blob/main/casdoor.md#finding-1-unauthenticated-…
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-84423
cna@vuldb.com
https://vuldb.com/submit/883037
cna@vuldb.com
https://vuldb.com/vuln/397791
cna@vuldb.com
https://vuldb.com/vuln/397791/cti
cna@vuldb.com