External Control of System or Configuration Setting in draw.io - #VU150674
Published: September 17, 2026
Vulnerability identifier: #VU150674
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-15
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive diagram XML.
The vulnerability exists due to external control of a system configuration setting in the export URL handling in Init.js when processing an attacker-controlled export URL parameter. A remote attacker can set an attacker-controlled export endpoint to disclose sensitive diagram XML.
User interaction is required to open a crafted URL and perform a normal export.
Affected software
draw.io
Remediation
Install security update from vendor's website.
draw.io - update to 31.4.6