Description
youlai-boot through 2.21.1 contains a missing authorization vulnerability that allows authenticated users to assign arbitrary menu and button permissions to roles via PUT /api/v1/roles/{roleId}/menus. Low-privileged users such as the GUEST test account can grant all permissions to their own role, refreshing the Redis permission cache to gain administrator-equivalent access.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| youlaitech | youlai-boot | <= 2.21.1 |
References
- https://github.com/youlaitech/youlai-boot/blob/v2.21.1/src/main/java/com/youlai/boot/system/controller/RoleController.java#L111-L119
- https://github.com/youlaitech/youlai-boot/blob/v2.21.1/src/main/java/com/youlai/boot/system/service/impl/RoleServiceImpl.java#L222-L243
- https://github.com/youlaitech/youlai-boot/commit/36d2db6dc559817bd4e02b1f33b1998891850497
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/youlai-boot-role-menu-assignment-and-user-status-missing-authorization
- https://www.vulncheck.com/advisories/youlai-boot-through-2.21.1-missing-authorization-in-role-menu-assignment-allows-privilege-escalation
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/youlai-boot-role-menu-assignment-and-user-status-missing-authorization
Timeline
- Published
- Oct 13, 2026
- Last modified
- Oct 26, 2026
- NVD status
- Awaiting Analysis