CVE-2026-123838
Full vulnerability record from the local CVENow database.
Description
In JetBrains IntelliJ IDEA before 2026.3 code execution was possible in Safe Mode via UI Designer form file
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-11-06 17:17:22.247000
Last modified
2026-11-06 20:20:05.730000
View original CVE JSON
{
"id": "CVE-2026-123838",
"sourceIdentifier": "[email protected]",
"published": "2026-11-06T17:17:22.247",
"lastModified": "2026-11-06T20:20:05.730",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In JetBrains IntelliJ IDEA before 2026.3 code execution was possible in Safe Mode via UI Designer form file"
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "JetBrains",
"product": "IntelliJ IDEA",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThan": "2026.3",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-06T16:36:43.579100Z",
"id": "CVE-2026-123838",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-829"
}
]
}
],
"references": [
{
"url": "https://www.jetbrains.com/privacy-security/issues-fixed/",
"source": "[email protected]"
}
]
}