{"id":"CVE-2026-104324","state":"PUBLISHED","title":"Langflow OSS is affected by multiple vulnerabilities","description":"IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to execute arbitrary code due to deserialization of untrusted data.","publishedAt":"2026-10-29T15:17:01.776Z","updatedAt":"2026-10-30T17:18:27.074Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/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":"1.12.3","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.12.3:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7293015"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-30T17:24:06.930Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/104xxx/CVE-2026-104324.json","commit":"e8328137ecf4069b095dab9de0403e0e5a96b5ec","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104324","state":"PUBLISHED","datePublished":"2026-10-29T15:17:01.776Z","dateUpdated":"2026-10-30T17:18:27.074Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-10-01T19:59:18.419Z"},"containers":{"cna":{"title":"Langflow OSS is affected by multiple vulnerabilities","descriptions":[{"lang":"en","value":"IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to execute arbitrary code due to deserialization of untrusted data."}],"affected":[{"vendor":"IBM","product":"Langflow OSS","versions":[{"version":"1.0.0","status":"affected","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:*:*:*:*:*:*:*"]}],"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":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502 Deserialization of Untrusted Data","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-10-29T15:17:01.776Z"},"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>"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-104324","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-30T03:56:28.661618Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T17:18:27.074Z"}}]}}}