Bug 2515838 (CVE-2026-56858) - CVE-2026-56858 html/template: golang: Go html/template: Cross-Site Scripting via pathological input
Summary: CVE-2026-56858 html/template: golang: Go html/template: Cross-Site Scripting ...
Keywords:
Status: NEW
Alias: CVE-2026-56858
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-13 22:25 UTC by OSIDB Bzimport
Modified: 2026-08-21 18:13 UTC (History)
132 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-08-13 22:25:12 UTC 
Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.
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