CVE-2026-25681: Golang Net

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

Affected products

• Golang Net: before 0.55.0 (fixed in 0.55.0)

Published 2026-05-22. Last modified 2026-07-23.