CVE-2026-3346
Full vulnerability record from the local CVENow database.
Description
IBM Langflow Desktop 1.6.0 through 1.8.4 Lanflow is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
Severity
MEDIUM
CVSS score
6.4
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-04-30 21:16:32.610000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-3346",
"sourceIdentifier": "[email protected]",
"published": "2026-04-30T21:16:32.610",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "IBM Langflow Desktop 1.6.0 through 1.8.4 Lanflow is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session."
},
{
"lang": "es",
"value": "IBM Langflow Desktop 1.6.0 hasta 1.8.4 Lanflow es vulnerable a cross-site scripting almacenado. Esta vulnerabilidad permite a un usuario autenticado incrustar código JavaScript arbitrario en la interfaz de usuario web, alterando así la funcionalidad prevista y lo que podría llevar a la divulgación de credenciales dentro de una sesión de confianza."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "IBM",
"product": "Langflow Desktop",
"cpes": [
"cpe:2.3:a:ibm:langflow_desktop:1.6.0:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"
],
"versions": [
{
"version": "1.6.0",
"lessThanOrEqual": "1.8.4",
"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:C/C:L/I:L/A:N",
"baseScore": 6.4,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.1,
"impactScore": 2.7
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-01T16:07:44.411464Z",
"id": "CVE-2026-3346",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-89"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:langflow:langflow_desktop:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.6.0",
"versionEndIncluding": "1.8.4",
"matchCriteriaId": "826FDA9F-F22A-49AC-96F1-7EDD14D90261"
}
]
}
]
}
],
"references": [
{
"url": "https://www.ibm.com/support/pages/node/7271095",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}