CVE-2026-70429
Full vulnerability record from the local CVENow database.
Description
Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-08-05 18:17:12.560000
Last modified
2026-10-24 16:10:00.153000
View original CVE JSON
{
"id": "CVE-2026-70429",
"sourceIdentifier": "[email protected]",
"published": "2026-08-05T18:17:12.560",
"lastModified": "2026-10-24T16:10:00.153",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances."
},
{
"lang": "es",
"value": "Jenkins 2.575 y anteriores, LTS 2.568.1 y anteriores maneja la insensibilidad a mayúsculas y minúsculas en nombres de usuario y nombres de grupo de manera inconsistente, permitiendo a atacantes capaces de crear nuevos usuarios o grupos con nombres que coinciden sin distinguir mayúsculas de minúsculas con otros caracteres para suplantar a otros usuarios o que se les concedan sus permisos en algunas circunstancias."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Jenkins Project",
"product": "Jenkins",
"defaultStatus": "affected",
"versions": [
{
"version": "2.576",
"lessThan": "*",
"versionType": "maven",
"status": "unaffected"
},
{
"version": "2.568.2",
"lessThan": "2.568.*",
"versionType": "maven",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.2,
"impactScore": 5.2
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-06T15:08:02.563080Z",
"id": "CVE-2026-70429",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-178"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
"versionEndExcluding": "2.568.2",
"matchCriteriaId": "7EDD8CD5-5ECA-404B-A0D3-78FB6F8AFE0B"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
"versionEndExcluding": "2.576",
"matchCriteriaId": "78B74F0C-FBD7-4734-A30E-6AC8C1B64F91"
}
]
}
]
}
],
"references": [
{
"url": "https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3924",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}