CVE-2026-56858
N/A
N/A
Summary
Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Go standard library | html/template | 0 < 1.25.13 | affected |
| Go standard library | html/template | 1.26.0-0 < 1.26.6 | affected |
| Go standard library | html/template | 1.27.0-0 < 1.27.0-rc.3 | affected |
Weaknesses
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://go.dev/issue/80435
- https://go.dev/cl/807100
- https://groups.google.com/g/golang-announce/c/94pEornpRlI
- https://pkg.go.dev/vuln/GO-2026-6091
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