CVE-2026-70611
Full vulnerability record from the local CVENow database.
Description
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.9, 40.9.2, 41.2.1, and 42.0.0-beta.3, the DevTools reveal in file manager action could launch the target file rather than reveal it. An attacker with a separate means of running script inside the DevTools frontend, such as a malicious DevTools extension, could use showItemInFolder handling to execute native code outside the sandbox when DevTools is opened for windows exposed to untrusted content or untrusted DevTools extensions. This issue is fixed in 39.8.9, 40.9.2, 41.2.1, and 42.0.0-beta.3.
Severity
MEDIUM
CVSS score
6.9
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-08-05 18:17:15.613000
Last modified
2026-11-03 23:17:53.460000
View original CVE JSON
{
"id": "CVE-2026-70611",
"sourceIdentifier": "[email protected]",
"published": "2026-08-05T18:17:15.613",
"lastModified": "2026-11-03T23:17:53.460",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.9, 40.9.2, 41.2.1, and 42.0.0-beta.3, the DevTools reveal in file manager action could launch the target file rather than reveal it. An attacker with a separate means of running script inside the DevTools frontend, such as a malicious DevTools extension, could use showItemInFolder handling to execute native code outside the sandbox when DevTools is opened for windows exposed to untrusted content or untrusted DevTools extensions. This issue is fixed in 39.8.9, 40.9.2, 41.2.1, and 42.0.0-beta.3."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "electron",
"product": "electron",
"versions": [
{
"version": "< 39.8.9",
"status": "affected"
},
{
"version": ">= 40.0.0-alpha.1, < 40.9.2",
"status": "affected"
},
{
"version": ">= 41.0.0-alpha.1, < 41.2.1",
"status": "affected"
},
{
"version": ">= 42.0.0-alpha.1, < 42.0.0-beta.3",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "HIGH",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 0.6,
"impactScore": 5.8
}
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"ssvcV203": [
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"id": "CVE-2026-70611",
"options": [
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"exploitation": "none"
},
{
"automatable": "no"
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{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
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"source": "[email protected]",
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"source": "[email protected]",
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}