CVE-2025-66736: youlai-boot Access Control Flaw

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.

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CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Weakness Type (CWE)

CWE-284 CWE-284

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
youlai	youlai-boot	All

References

Advisories & Patches

https://gitee.com/youlaiorg/youlai-boot/commit/9197065102f92264ded814a9d3e9f2a4ff0da121 https://gitee.com/youlaiorg/youlai-boot/issues/ICH8FV

Exploits

https://gitee.com/youlaiorg/youlai-boot/issues/ICH8FV

Other References

https://gist.github.com/old6ma/be1d4a5373ee2de901ed4c8d81485046

Frequently Asked Questions

What is CVE-2025-66736? +

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. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-66736? +

CVE-2025-66736 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-66736? +

CVE-2025-66736 affects products from youlai, specifically: youlai-boot. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66736? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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