CVE-2026-123844
Full vulnerability record from the local CVENow database.
Description
In JetBrains IntelliJ IDEA before 2026.3 sSRF was possible via custom plugin repositories
Severity
MEDIUM
CVSS score
5.3
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-11-06 17:17:23.130000
Last modified
2026-11-06 20:20:05.730000
View original CVE JSON
{
"id": "CVE-2026-123844",
"sourceIdentifier": "[email protected]",
"published": "2026-11-06T17:17:23.130",
"lastModified": "2026-11-06T20:20:05.730",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In JetBrains IntelliJ IDEA before 2026.3 sSRF was possible via custom plugin repositories"
}
],
"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:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-06T16:39:35.344173Z",
"id": "CVE-2026-123844",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-918"
}
]
}
],
"references": [
{
"url": "https://www.jetbrains.com/privacy-security/issues-fixed/",
"source": "[email protected]"
}
]
}