CVE-2026-27142

{"id": "CVE-2026-27142", "cveTags": [], "metrics": {}, "published": "2026-03-06T22:16:01.177", "references": [{"url": "https://go.dev/cl/752081", "source": "security@golang.org"}, {"url": "https://go.dev/issue/77954", "source": "security@golang.org"}, {"url": "https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk", "source": "security@golang.org"}, {"url": "https://pkg.go.dev/vuln/GO-2026-4603", "source": "security@golang.org"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value \"refresh\". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actions in the meta content attribute which follow \"url=\" by setting htmlmetacontenturlescape=0."}], "lastModified": "2026-03-06T22:16:01.177", "sourceIdentifier": "security@golang.org"}