CVE-2026-3346
Estado: AnalizadaMedia (6.4)—
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Puntuación base: 6.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.26%
- Percentil entre todas las CVEs puntuadas: 16
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-89
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-3346",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-3346",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-05-01T16:07:44.411464Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@us.ibm.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 3.1
}
]
},
"affected": [
{
"source": "psirt@us.ibm.com",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:ibm:langflow_desktop:1.6.0:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"
],
"vendor": "IBM",
"product": "Langflow Desktop",
"versions": [
{
"status": "affected",
"version": "1.6.0",
"versionType": "semver",
"lessThanOrEqual": "1.8.4"
}
]
}
]
}
],
"published": "2026-04-30T21:16:32.610",
"references": [
{
"url": "https://www.ibm.com/support/pages/node/7271095",
"tags": [
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@us.ibm.com",
"description": [
{
"lang": "en",
"value": "CWE-89"
}
]
}
],
"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."
}
],
"lastModified": "2026-06-17T10:43:26.890",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:langflow:langflow_desktop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "826FDA9F-F22A-49AC-96F1-7EDD14D90261",
"versionEndIncluding": "1.8.4",
"versionStartIncluding": "1.6.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@us.ibm.com"
}