CVE-2026-65906
Full vulnerability record from the local CVENow database.
Description
In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible
Severity
CRITICAL
CVSS score
10.0
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-23 13:16:31.733000
Last modified
2026-10-24 13:10:00.147000
View original CVE JSON
{
"id": "CVE-2026-65906",
"sourceIdentifier": "[email protected]",
"published": "2026-07-23T13:16:31.733",
"lastModified": "2026-10-24T13:10:00.147",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible"
},
{
"lang": "es",
"value": "En JetBrains TeamCity antes de 2026.1.2, 2025.11.6, la ejecución de código mediante escape de sandbox de Kotlin DSL era posible."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "JetBrains",
"product": "TeamCity",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThan": "2026.1.2, 2025.11.6",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 10.0,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-23T00:00:00+00:00",
"id": "CVE-2026-65906",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-94"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*",
"versionEndExcluding": "2025.11.6",
"matchCriteriaId": "5152D87B-DF64-436C-8BBB-51480558D2B1"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2026.1",
"versionEndExcluding": "2026.1.2",
"matchCriteriaId": "4D08AB28-FD59-47F8-9E33-D1713D3959D9"
}
]
}
]
}
],
"references": [
{
"url": "https://www.jetbrains.com/privacy-security/issues-fixed/",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}