CVE-2026-9081

IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery (SSRF) vulnerability in the validate_model_provider_key() function for the Ollama provider. The function accepts a user-supplied OLLAMA_BASE_URL parameter and passes it directly to requests.get() without validation, scheme/host allowlisting, or filtering of private IP ranges (loopback, RFC1918, link-local addresses).

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7282650	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*

History

23 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) IBM Langflow OSS 1.0.0 hasta 1.10.3, y 1.0.0 hasta 1.10.3 contiene una vulnerabilidad de falsificación de petición del lado del servidor (SSRF) en la función validate_model_provider_key() para el proveedor Ollama. La función acepta un parámetro OLLAMA_BASE_URL proporcionado por el usuario y lo pasa directamente a requests.get() sin validación, lista blanca de esquema/host, o filtrado de rangos de IP privados (loopback, RFC1918, direcciones link-local).

Information

Published : 2026-08-05 18:17

Updated : 2026-10-24 13:10

NVD link : CVE-2026-9081

Mitre link : CVE-2026-9081

CVE.ORG link : CVE-2026-9081

JSON object : View

Products Affected

langflow

langflow

CWE

CWE-918

Server-Side Request Forgery (SSRF)

{"id": "CVE-2026-9081", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9081", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-05T18:33:11.575517Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.10.3:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Langflow OSS", "versions": [{"status": "affected", "version": "1.0.0", "versionType": "semver", "lessThanOrEqual": "1.10.3"}]}]}], "published": "2026-08-05T18:17:16.130", "references": [{"url": "https://www.ibm.com/support/pages/node/7282650", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery (SSRF) vulnerability in the validate_model_provider_key() function for the Ollama provider. The function accepts a user-supplied OLLAMA_BASE_URL parameter and passes it directly to requests.get() without validation, scheme/host allowlisting, or filtering of private IP ranges (loopback, RFC1918, link-local addresses)."}, {"lang": "es", "value": "IBM Langflow OSS 1.0.0 hasta 1.10.3, y 1.0.0 hasta 1.10.3 contiene una vulnerabilidad de falsificaci\u00f3n de petici\u00f3n del lado del servidor (SSRF) en la funci\u00f3n validate_model_provider_key() para el proveedor Ollama. La funci\u00f3n acepta un par\u00e1metro OLLAMA_BASE_URL proporcionado por el usuario y lo pasa directamente a requests.get() sin validaci\u00f3n, lista blanca de esquema/host, o filtrado de rangos de IP privados (loopback, RFC1918, direcciones link-local)."}], "lastModified": "2026-10-24T13:10:00.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D820E7E-FD86-4EE6-9F29-E8DF9EC23F30", "versionEndExcluding": "1.11.0", "versionStartIncluding": "1.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}