CVE-2026-8476

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8476", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-05-13T13:17:17.664Z", "datePublished": "2026-07-17T19:11:04.751Z", "dateUpdated": "2026-07-23T03:56:08.380Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-07-17T19:11:04.751Z"}, "title": "Disk Cache Deserialization Remote Code Execution Vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Langflow OSS", "versions": [{"status": "affected", "version": "1.0.0", "lessThanOrEqual": "1.10.0", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.10.0:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. The AsyncDiskCache class\u00a0uses Python's unsafe pickle.loads() function to deserialize cached objects from disk without validation, integrity verification, or authentication, enabling arbitrary code execution when malicious pickle payloads are processed. Attackers who can influence cached data through file system access, malicious workflow inputs, custom components, or API manipulation can achieve complete system compromise with the privileges of the Langflow server process.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. The AsyncDiskCache class&nbsp;uses Python's unsafe pickle.loads() function to deserialize cached objects from disk without validation, integrity verification, or authentication, enabling arbitrary code execution when malicious pickle payloads are processed. Attackers who can influence cached data through file system access, malicious workflow inputs, custom components, or API manipulation can achieve complete system compromise with the privileges of the Langflow server process.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7278922", "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": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.1 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 1.10.1</a></p>"}]}], "credits": [{"lang": "en", "value": "zdi-disclosures", "type": "finder"}], "x_generator": {"engine": "ibm-cvegen"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-22T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-8476"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-23T03:56:08.380Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-8476", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-20T13:54:17.307778Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-20T13:54:21.812Z"}}], "cna": {"title": "Disk Cache Deserialization Remote Code Execution Vulnerability", "credits": [{"lang": "en", "type": "finder", "value": "zdi-disclosures"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.10.0:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Langflow OSS", "versions": [{"status": "affected", "version": "1.0.0", "versionType": "semver", "lessThanOrEqual": "1.10.0"}]}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.1 https://pypi.org/project/langflow/", "supportingMedia": [{"type": "text/html", "value": "<p>IBM strongly recommends addressing the vulnerability now by upgrading <a href=\"https://pypi.org/project/langflow/\" rel=\"nofollow\">Langflow OSS to version 1.10.1</a></p>", "base64": false}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7278922", "tags": ["vendor-advisory", "patch"]}], "x_generator": {"engine": "ibm-cvegen"}, "descriptions": [{"lang": "en", "value": "IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. The AsyncDiskCache class\u00a0uses Python's unsafe pickle.loads() function to deserialize cached objects from disk without validation, integrity verification, or authentication, enabling arbitrary code execution when malicious pickle payloads are processed. Attackers who can influence cached data through file system access, malicious workflow inputs, custom components, or API manipulation can achieve complete system compromise with the privileges of the Langflow server process.", "supportingMedia": [{"type": "text/html", "value": "<p>IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. The AsyncDiskCache class&nbsp;uses Python's unsafe pickle.loads() function to deserialize cached objects from disk without validation, integrity verification, or authentication, enabling arbitrary code execution when malicious pickle payloads are processed. Attackers who can influence cached data through file system access, malicious workflow inputs, custom components, or API manipulation can achieve complete system compromise with the privileges of the Langflow server process.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-07-17T19:11:04.751Z"}}}, "cveMetadata": {"cveId": "CVE-2026-8476", "state": "PUBLISHED", "dateUpdated": "2026-07-23T03:56:08.380Z", "dateReserved": "2026-05-13T13:17:17.664Z", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "datePublished": "2026-07-17T19:11:04.751Z", "assignerShortName": "ibm"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_oss:1.10.0:*:*:*:*:*:*:*"], "product": "Langflow OSS", "vendor": "IBM", "versions": [{"lessThanOrEqual": "1.10.0", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*", "matchCriteriaId": "A32785B1-3CF7-4BD0-B6F8-1AA77D4E565B", "versionEndExcluding": "1.10.1", "versionStartIncluding": "1.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}, {"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the disk-based caching mechanism. The AsyncDiskCache class\u00a0uses Python's unsafe pickle.loads() function to deserialize cached objects from disk without validation, integrity verification, or authentication, enabling arbitrary code execution when malicious pickle payloads are processed. Attackers who can influence cached data through file system access, malicious workflow inputs, custom components, or API manipulation can achieve complete system compromise with the privileges of the Langflow server process."}, {"lang": "es", "value": "IBM Langflow OSS 1.0.0 hasta 1.10.0 contienen una cr\u00edtica vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo en el mecanismo de cach\u00e9 basado en disco. La clase AsyncDiskCache utiliza la funci\u00f3n insegura pickle.loads() de Python para deserializar objetos en cach\u00e9 desde el disco sin validaci\u00f3n, verificaci\u00f3n de integridad o autenticaci\u00f3n, lo que permite la ejecuci\u00f3n de c\u00f3digo arbitrario cuando se procesan cargas \u00fatiles pickle maliciosas. Atacantes que pueden influir en los datos en cach\u00e9 a trav\u00e9s del acceso al sistema de archivos, entradas de flujo de trabajo maliciosas, componentes personalizados o manipulaci\u00f3n de la API pueden lograr un compromiso completo del sistema con los privilegios del proceso del servidor Langflow."}], "id": "CVE-2026-8476", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "psirt@us.ibm.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8476", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-22T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-07-17T20:17:30.623", "references": [{"source": "psirt@us.ibm.com", "tags": ["Vendor Advisory"], "url": "https://www.ibm.com/support/pages/node/7278922"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "psirt@us.ibm.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.0,1.10.0]"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Langflow OSS", "source": "cna", "vendor": "IBM"}, "product": "langflow_oss", "vendor": "ibm"}], "created": "2026-07-17T20:30:03.683463+00:00", "updated": "2026-08-01T08:30:03.599999+00:00", "vendors": ["ibm", "ibm$PRODUCT$langflow_oss"]}