{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-17627", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-27T21:05:49.530Z", "datePublished": "2026-09-04T16:30:14.183Z", "dateUpdated": "2026-09-04T17:36:33.890Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-04T16:30:14.183Z"}, "title": "Langflow is affected by improper authorization due to missing access control on the voice-mode WebSocket endpoint", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Langflow OSS", "versions": [{"status": "affected", "version": "1.0.0", "lessThanOrEqual": "1.10.2", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.10.2:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive information and inject messages into workflow history due to improper authorization.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive information and inject messages into workflow history due to improper authorization.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7286294", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 4.9, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.3 https://pypi.org/project/langflow/", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM strongly recommends addressing the vulnerability now by upgrading <a href=\"https://pypi.org/project/langflow/\" rel=\"nofollow\">Langflow OSS to version 1.10.3</a></p>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-04T17:36:16.244054Z", "id": "CVE-2026-17627", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-04T17:36:33.890Z"}}]}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.10.2:*:*:*:*:*:*:*"], "product": "Langflow OSS", "vendor": "IBM", "versions": [{"lessThanOrEqual": "1.10.2", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive information and inject messages into workflow history due to improper authorization."}], "id": "CVE-2026-17627", "lastModified": "2026-09-04T17:16:55.380", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.7, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-09-04T17:16:55.380", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7286294"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

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