CVE-2026-7653 r-huijts mcp-server-rijksmuseum MCP index.ts open_image_in_browser os command injection
Remote attackers can execute arbitrary OS commands via the open_image_in_browser function in the Rijksmuseum MCP server library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7653?
CVE-2026-7653 is a medium-severity command injection vulnerability in r-huijts mcp-server-rijksmuseum, published on 2 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-7653?
How do I fix CVE-2026-7653?
No fix has been published for CVE-2026-7653 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-7653 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7653 exists.
Sources
Also known as GHSA-4j22-92m7-7937.