Escaper bypass leads to XSS in html/template

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-39826 · Microsoft / collected KEV context

EUVD-2026-28426

GO-2026-4980

BIT-golang-2026-39826

cve-program · CVE-2026-39826

• https://go.dev/issue/78981
• https://go.dev/cl/771180
• https://groups.google.com/g/golang-announce/c/qcCIEXso47M
• https://pkg.go.dev/vuln/GO-2026-4980

euvd · EUVD-2026-28426

• https://go.dev/issue/78981
• https://go.dev/cl/771180
• https://groups.google.com/g/golang-announce/c/qcCIEXso47M
• https://pkg.go.dev/vuln/GO-2026-4980

nvd · CVE-2026-39826

• https://go.dev/cl/771180
• https://go.dev/issue/78981
• https://groups.google.com/g/golang-announce/c/qcCIEXso47M
• https://pkg.go.dev/vuln/GO-2026-4980

osv · GO-2026-4980

• https://go.dev/issue/78981
• https://go.dev/cl/771180
• https://groups.google.com/g/golang-announce/c/qcCIEXso47M

• If a trusted template author were to write a <script> tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the <script> block. · Advisory content revised · 1 Nov 2026