CVE-2025-66736 Missing authorization in n/a

High 7.1 Published 22 Dec 2025 Updated 22 Dec 2025

Regular users can bypass permission checks to import user data into the database via the importUsers function.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-66736?

CVE-2025-66736 is a high-severity missing authorization vulnerability in n/a, published on 22 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

youlai-boot V2.21.1 is vulnerable to Incorrect Access Control. The importUsers function in SysUserController.java does not perform a permission check on the current user's identity, which may allow regular users to import user data into the database, resulting in an authorization bypass vulnerability.

Weakness: CWE-862, CWE-284

Which versions are affected by CVE-2025-66736?

It affects 1 product.

Products include Youlai Youlai-Boot.

How do I fix CVE-2025-66736?

No fix has been published for CVE-2025-66736 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-66736 being exploited?

There is no known exploitation of CVE-2025-66736 in the wild and no public exploit code.

Sources

Also known as GHSA-8vpj-fwmm-xmcm.