ubuntu-cve-2026-27142
Vulnerability from osv_ubuntu
Published
2026-03-06 22:16
Modified
2026-07-08 20:53
Summary
Details
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.
Severity
6.1 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "golang-1.24",
"binary_version": "1.24.4-1ubuntu1~22.04.2"
},
{
"binary_name": "golang-1.24-go",
"binary_version": "1.24.4-1ubuntu1~22.04.2"
},
{
"binary_name": "golang-1.24-src",
"binary_version": "1.24.4-1ubuntu1~22.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "golang-1.24",
"purl": "pkg:deb/ubuntu/golang-1.24@1.24.4-1ubuntu1~22.04.2?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.24.4-1ubuntu1~22.04.1",
"1.24.4-1ubuntu1~22.04.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "golang-1.24",
"binary_version": "1.24.4-1ubuntu1~24.04.2"
},
{
"binary_name": "golang-1.24-go",
"binary_version": "1.24.4-1ubuntu1~24.04.2"
},
{
"binary_name": "golang-1.24-src",
"binary_version": "1.24.4-1ubuntu1~24.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "golang-1.24",
"purl": "pkg:deb/ubuntu/golang-1.24@1.24.4-1ubuntu1~24.04.2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.24.4-1ubuntu1~24.04.1",
"1.24.4-1ubuntu1~24.04.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "golang-1.24",
"binary_version": "1.24.4-1ubuntu1"
},
{
"binary_name": "golang-1.24-go",
"binary_version": "1.24.4-1ubuntu1"
},
{
"binary_name": "golang-1.24-src",
"binary_version": "1.24.4-1ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "golang-1.24",
"purl": "pkg:deb/ubuntu/golang-1.24@1.24.4-1ubuntu1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.24.2-1",
"1.24.2-2",
"1.24.4-1",
"1.24.4-1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "golang-1.25",
"binary_version": "1.25.7-2~25.10.1"
},
{
"binary_name": "golang-1.25-go",
"binary_version": "1.25.7-2~25.10.1"
},
{
"binary_name": "golang-1.25-src",
"binary_version": "1.25.7-2~25.10.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "golang-1.25",
"purl": "pkg:deb/ubuntu/golang-1.25@1.25.7-2~25.10.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.25.0-0ubuntu1",
"1.25.7-2~25.10.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "golang-1.24",
"binary_version": "1.24.13-2"
},
{
"binary_name": "golang-1.24-go",
"binary_version": "1.24.13-2"
},
{
"binary_name": "golang-1.24-src",
"binary_version": "1.24.13-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "golang-1.24",
"purl": "pkg:deb/ubuntu/golang-1.24@1.24.13-2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.24.4-1ubuntu1",
"1.24.9-1",
"1.24.13-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "golang-1.25",
"binary_version": "1.25.7-2"
},
{
"binary_name": "golang-1.25-go",
"binary_version": "1.25.7-2"
},
{
"binary_name": "golang-1.25-src",
"binary_version": "1.25.7-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "golang-1.25",
"purl": "pkg:deb/ubuntu/golang-1.25@1.25.7-2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.25.0-0ubuntu1",
"1.25.7-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "golang-1.26",
"binary_version": "1.26.0-1"
},
{
"binary_name": "golang-1.26-go",
"binary_version": "1.26.0-1"
},
{
"binary_name": "golang-1.26-src",
"binary_version": "1.26.0-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "golang-1.26",
"purl": "pkg:deb/ubuntu/golang-1.26@1.26.0-1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.26~rc3-2",
"1.26.0-1"
]
}
],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2026-27142",
"modified": "2026-07-08T20:53:59Z",
"published": "2026-03-06T22:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-27142"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-27142"
},
{
"type": "REPORT",
"url": "https://github.com/golang/go/issues/77954"
},
{
"type": "REPORT",
"url": "https://go.dev/cl/752081"
},
{
"type": "REPORT",
"url": "https://go.dev/issue/77954"
},
{
"type": "REPORT",
"url": "https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk"
},
{
"type": "REPORT",
"url": "https://pkg.go.dev/vuln/GO-2026-4603"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-27142"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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