youlai-boot V2.21.1 is vulnerable to Incorrect Access Control.
Priority LOW 31CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00319 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:youlai:youlai-boot:2.21.1:*:*:*:*:*:*:* | 2.21.1 | Vulnerable | youlaitech |
- cpe:2.3:a:youlai:youlai-boot:2.21.1:*:*:*:*:*:*:* Versions 2.21.1 Vulnerable ·youlaitech
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-66736
- 2026-10-03 Alias added: GHSA-8vpj-fwmm-xmcm
References
More youlaitech Youlai-boot vulnerabilities
- TI-2025-35015 Incorrect access control in youlai-boot v2.21.1 allows attackers to escalate privileges… CVSS 3.1CRITICAL 9.8
- TI-2025-35016 Incorrect access control in the getUserFormData function of youlai-boot v2.21.1 allows… CVSS 3.1HIGH 7.5
- TI-2025-41048 youlai-boot V2.21.1 is vulnerable to Incorrect Access Control. CVSS 3.1HIGH 7.5
Sources
- CVE-2025-66736 · CVE Program
- CVE-2025-66736 · NVD
- FIRST EPSS
- GHSA-8vpj-fwmm-xmcm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences