What is CVE-2025-66735?

CVE-2025-66735 is a high-severity vulnerability in Youlai Youlai-Boot, classified under Improper Access Control. CVSS score: 7.5/10. Published 2025-12-22.

How severe is CVE-2025-66735?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Youlai Youlai-Boot

CVE-2025-66735

youlai-boot V2.21.1 is vulnerable to Incorrect Access Control. The getRoleForm function in SysRoleController.java does not perform permission checks, which may allow non-root users to directly access root roles.

EPSS: 0.004 (31.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Youlai Youlai-boot — versions 2.21.1
N/a — versions n/a

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-862 — Missing Authorization

References

cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-66735?: CVE-2025-66735 is a high-severity vulnerability in Youlai Youlai-Boot, classified under Improper Access Control. CVSS score: 7.5/10. Published 2025-12-22.
How severe is CVE-2025-66735?: High severity. CVSS v3 base score is 7.5 out of 10.