Is CVE-2026-73037 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-73037?

CVE-2026-73037 has a CVSS v3 severity of MEDIUM (6.1).

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CVE-2026-73037

Description

Next AI Draw.io 0.2.1 through 0.4.16 contains a reflected cross-site scripting vulnerability in the mcp query parameter that is interpolated without escaping into HTML and JavaScript. Attackers can craft malicious URLs to execute arbitrary JavaScript in the localhost origin, enabling exfiltration of diagram sessions and API data.