CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.
References
| Link | Resource |
|---|---|
| https://go.dev/cl/769920 | Patch |
| https://go.dev/issue/78913 | Issue Tracking |
| https://groups.google.com/g/golang-announce/c/qcCIEXso47M | Release Notes |
| https://pkg.go.dev/vuln/GO-2026-4982 | Vendor Advisory |
Configurations
History
13 May 2026, 16:58
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* | |
| First Time |
Golang
Golang go |
|
| CWE | CWE-79 | |
| References | () https://go.dev/cl/769920 - Patch | |
| References | () https://go.dev/issue/78913 - Issue Tracking | |
| References | () https://groups.google.com/g/golang-announce/c/qcCIEXso47M - Release Notes | |
| References | () https://pkg.go.dev/vuln/GO-2026-4982 - Vendor Advisory |
08 May 2026, 15:16
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 6.1 |
07 May 2026, 20:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-07 20:16
Updated : 2026-05-13 16:58
NVD link : CVE-2026-39823
Mitre link : CVE-2026-39823
CVE.ORG link : CVE-2026-39823
JSON object : View
Products Affected
golang
- go
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')