RCE in R-Huijts Mcp-Server-Rijksmuseum

CVE-2026-7653

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.018 (77.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-7653: held from 0.013 to 0.018.

EPSS over last 30 days · oldest: 0.013 · newest: 0.018 · change: +0.005

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-7653?
CVE-2026-7653 is a medium-severity vulnerability in R-Huijts Mcp-Server-Rijksmuseum, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-02.
How severe is CVE-2026-7653?
Medium severity. CVSS v3 base score is 6.3 out of 10.