CVE-2026-116016: yudao-cloud through 2026.09 Data Permission Bypass via data-permission-enable Header

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-24 · updated 2026-10-26
Weakness: CWE-807

Description

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.

Affected products

YunaiV yudao-cloud: through 2026.09

References

https://github.com/YunaiV/yudao-cloud/blob/d322a10b9898a084412032e94336af06835978c2/yudao-framework/yudao-spring-boot-starter-biz-data-permission/src/main/java/cn/iocoder/yudao/framework/datapermission/core/rpc/DataPermissionRpcWebFilter.java#L21-L36
https://github.com/YunaiV/yudao-cloud/blob/d322a10b9898a084412032e94336af06835978c2/yudao-gateway/src/main/java/cn/iocoder/yudao/gateway/filter/security/TokenAuthenticationFilter.java#L84-L92
https://github.com/YunaiV/yudao-cloud/commit/4e415cd6c30d3abb929a127bb7038101d9f4c943
https://github.com/YunaiV/yudao-cloud/issues/343
https://hackmd.io/@hieuPenguinnn/yudao-cloud-data-permission-enable-header-datascope-bypass
https://www.vulncheck.com/advisories/yudao-cloud-through-2026.09-data-permission-bypass-via-data-permission-enable-header

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