Vulnerability Report: GO-2026-6091
- CVE-2026-56858
- Affects: html/template
- Published: Aug 13, 2026
Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.
Affected Packages
-
PathVersionsSymbols
-
before go1.25.13, from go1.26.0-0 before go1.26.6, from go1.27.0-0 before go1.27.0-rc.3
Aliases
References
- https://go.dev/issue/80435
- https://go.dev/cl/807100
- https://groups.google.com/g/golang-announce/c/94pEornpRlI
- https://vuln.go.dev/ID/GO-2026-6091.json
Credits
- Ali Sherif
Feedback
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