CVE-2026-9198
Full vulnerability record from the local CVENow database.
Description
IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments
Severity
CRITICAL
CVSS score
9.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-17 18:17:17.340000
Last modified
2026-10-24 20:10:00.137000
View original CVE JSON
{
"id": "CVE-2026-9198",
"sourceIdentifier": "[email protected]",
"published": "2026-07-17T18:17:17.340",
"lastModified": "2026-10-24T20:10:00.137",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments"
},
{
"lang": "es",
"value": "IBM Langflow OSS 1.0.0 hasta 1.10.0 permite a atacantes no autenticados encadenar /api/v1/auto_login (emite tokens de SUPERUSUARIO a cualquier llamador de red) con /api/v1/validate/code (ejecuta código de usuario a través de exec()) para lograr RCE completa en implementaciones predeterminadas de Langflow."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "IBM",
"product": "Langflow OSS",
"defaultStatus": "unaffected",
"cpes": [
"cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:langflow_oss:1.10.0:*:*:*:*:*:*:*"
],
"versions": [
{
"version": "1.0.0",
"lessThanOrEqual": "1.10.0",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
],
"ssvcV203": [
{
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"ssvcData": {
"timestamp": "2026-07-17T00:00:00+00:00",
"id": "CVE-2026-9198",
"options": [
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"exploitation": "active"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"cisaExploitAdd": "2026-08-04",
"cisaActionDue": "2026-08-07",
"cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
"cisaVulnerabilityName": "IBM Langflow Code Injection Vulnerability",
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-94"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.0.0",
"versionEndExcluding": "1.10.1",
"matchCriteriaId": "A32785B1-3CF7-4BD0-B6F8-1AA77D4E565B"
}
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}
],
"references": [
{
"url": "https://www.ibm.com/support/pages/node/7278927",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9198",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"US Government Resource"
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}