yudao-cloud through 2026.09 contains an authorization bypass vulnerability that allows authenticated users to evade row-level data scope restrictions by sending a data-permission-enable header set to false. Attackers can add this header to /admin-api requests, which DataPermissionRpcWebFilter trusts, to read or modify other departments' and users' records within the same tenant.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
yunaiv:yudao-cloud
References 6
https://github.com/YunaiV/yudao-cloud/issues/343
NVD
https://github.com/YunaiV/yudao-cloud/commit/4e415cd6c30d3abb929a127bb7038101d9…
NVD
https://github.com/YunaiV/yudao-cloud/blob/d322a10b9898a084412032e94336af068359…
NVD
https://github.com/YunaiV/yudao-cloud/blob/d322a10b9898a084412032e94336af068359…
NVD
https://hackmd.io/@hieuPenguinnn/yudao-cloud-data-permission-enable-header-data…
NVD
https://www.vulncheck.com/advisories/yudao-cloud-through-2026.09-data-permissio…
VulnCheck Advisory: yudao-cloud through 2026.09 Data Permission Bypass via data-permission-enable Header