{"id":"CVE-2026-13448","state":"PUBLISHED","title":"Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints","description":"IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint ( /api/v1/build_public_tmp/{flow_id}/flow ). The vulnerability stems from an incomplete denylist in the validate_public_flow_no_code_execution() function that fails to block several code-execution agent components including OpenDsStarAgent, CodeActAgentSmolagents, and CSVAgent.","publishedAt":"2026-07-17T20:03:30.430Z","updatedAt":"2026-07-23T03:56:13.520Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"ibm"},"assigner":"ibm","products":["IBM Langflow OSS"],"affected":[{"vendor":"IBM","product":"Langflow OSS","versions":[{"version":"1.0.0","status":"affected","lessThanOrEqual":"1.10.1","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.10.1:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7279997"],"weaknesses":["CWE-184"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13448.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13448","state":"PUBLISHED","datePublished":"2026-07-17T20:03:30.430Z","dateUpdated":"2026-07-23T03:56:13.520Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-06-26T16:47:23.234Z"},"containers":{"cna":{"title":"Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints","descriptions":[{"lang":"en","value":"IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint ( /api/v1/build_public_tmp/{flow_id}/flow ). The vulnerability stems from an incomplete denylist in the validate_public_flow_no_code_execution() function that fails to block several code-execution agent components including OpenDsStarAgent, CodeActAgentSmolagents, and CSVAgent."}],"affected":[{"vendor":"IBM","product":"Langflow OSS","versions":[{"version":"1.0.0","status":"affected","lessThanOrEqual":"1.10.1","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.10.1:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7279997","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.1,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-07-17T20:03:30.430Z"},"solutions":[{"lang":"en","value":"IBM strongly recommends addressing the vulnerability now by upgrading  Langflow OSS to version 1.10.2 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 1.10.2</a></p>"}]}],"x_generator":{"engine":"ibm-cvegen"}},"adp":[{"title":"CISA ADP Vulnrichment","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-2026-13448"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-184","type":"CWE","lang":"en","description":"CWE-184 Incomplete List of Disallowed Inputs"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-23T03:56:13.520Z"}}]}}}