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CVE-2026-39826 CVE Medium False Positive

html/template: Escaper Bypass Leads to Cross-Site Scripting

This advisory does not affect KrakenD

KrakenD is an API gateway and does not use Go’s html/template package to generate HTML responses. The vulnerable code path in html/template is never invoked during normal KrakenD operation.

Addressed through routine dependency maintenance in CE 2.13.5 and EE 2.13.3.

Component

Go standard library (html/template)

Disclosed

May 11, 2026

Description

Go’s html/template package contains an escaper bypass where certain template patterns allow injecting unescaped content into HTML output. Applications using these specific template constructs to render user-controlled data are vulnerable to cross-site scripting attacks.

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