{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104308", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-10-01T19:22:55.199Z", "datePublished": "2026-10-29T15:18:06.244Z", "dateUpdated": "2026-10-29T15:18:06.244Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-10-29T15:18:06.244Z"}, "title": "Langflow OSS is affected by multiple vulnerabilities", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Langflow OSS", "versions": [{"status": "affected", "version": "1.0.0", "lessThanOrEqual": "1.12.3", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.12.3:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper neutralization of special elements used in an OS command.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper neutralization of special elements used in an OS command.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7293015", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 4.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.12.4. https://pypi.org/project/langflow/1.12.4/ \n\n\n\nFor Langflow OSS versions 1.0.0 - 1.12.3, follow the Prepare to upgrade instructions and release-specific configuration changes https://docs.langflow.org/release-notes , including backing up your existing installation, then follow the Langflow OSS installation instructions https://docs.langflow.org/get-started-installation to install version 1.12.4 and test your flows.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM strongly recommends addressing the vulnerability now by upgrading <a href=\"https://pypi.org/project/langflow/1.12.4/\" rel=\"nofollow\">Langflow OSS to version 1.12.4.</a></p><p>For Langflow OSS versions 1.0.0 - 1.12.3, follow the <a href=\"https://docs.langflow.org/release-notes\" rel=\"nofollow\">Prepare to upgrade instructions and release-specific configuration changes</a>, including backing up your existing installation, then follow the <a href=\"https://docs.langflow.org/get-started-installation\" rel=\"nofollow\">Langflow OSS installation instructions</a> to install version 1.12.4 and test your flows.</p>"}]}]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.12.3:*:*:*:*:*:*:*"], "product": "Langflow OSS", "vendor": "IBM", "versions": [{"lessThanOrEqual": "1.12.3", "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 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper neutralization of special elements used in an OS command."}], "id": "CVE-2026-104308", "lastModified": "2026-10-29T16:17:43.123", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-10-29T16:17:43.020", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7293015"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.0,1.12.3]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Langflow OSS", "source": "cna", "vendor": "IBM"}, "product": "langflow_oss", "vendor": "ibm"}], "created": "2026-10-29T16:45:14.756180+00:00", "updated": "2026-10-29T17:00:12.502452+00:00", "vendors": ["ibm", "ibm$PRODUCT$langflow_oss"]}