High severity · published Dec 22, 2025
CVE-2025-66736
youlai-boot V2.21.1 is vulnerable to Incorrect Access Control
7.1
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YO
Youlai-boot · Youlai
2.21.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-66736
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-66736
Third Party Advisory
https://gist.github.com/old6ma/be1d4a5373ee2de901ed4c8d81485046
Patch
https://gitee.com/youlaiorg/youlai-boot/commit/9197065102f92264ded814a9d3e9f2a4ff0da121
Exploit
https://gitee.com/youlaiorg/youlai-boot/issues/ICH8FV
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