CVE-2026-19753 Model Context Protocol mcp-rdf-explorer MCP Server server.py explore_url server-side request forgery
Remote attackers can exploit the explore_url function in the mcp-rdf-explorer MCP Server to perform server-side request forgery, potentially accessing internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19753?
CVE-2026-19753 is a medium-severity server-side request forgery vulnerability in Model Context Protocol mcp-rdf-explorer, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was detected in Model Context Protocol mcp-rdf-explorer 1.0.0. Affected is the function explore_url of the file src/mcp-rdf-explorer/server.py of the component MCP Server. Performing a manipulation of the argument url results in server-side request forgery. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-19753?
How do I fix CVE-2026-19753?
No fix has been published for CVE-2026-19753 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-19753 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19753 exists.
Sources
Also known as GHSA-274v-3mgv-hg6c.