CVE-2026-56858

Description

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

References

https://pkg.go.dev/vuln/GO-2026-6091

https://groups.google.com/g/golang-announce/c/94pEornpRlI

https://go.dev/issue/80435

https://go.dev/cl/807100

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-58512

Details

Source: Mitre, NVD

Named Vulnerability: GO-2026-6091Named Vulnerability: GHSA-c974-w86c-vpfw

Risk Information

CVSS v2

CVSS v3

EPSS