CVE-2026-18825: Github.com/antono Connect-Cors

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request.

Affected products

• Github.com/antono Connect-Cors: up to and including 0.5.6

Published 2026-09-28. Last modified 2026-09-30.