{"id":"CVE-2026-104312","state":"PUBLISHED","title":"Langflow OSS is affected by multiple vulnerabilities","description":"IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to produce a server-generated ZIP archive containing entry paths that traverse outside the intended extraction directory. Extraction of the archive by a victim using a non-sanitizing tool could result in arbitrary file write on the victim's host.","publishedAt":"2026-10-29T15:17:40.538Z","updatedAt":"2026-10-29T15:17:40.538Z","severity":{"score":3.5,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","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-22"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/104xxx/CVE-2026-104312.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104312","state":"PUBLISHED","datePublished":"2026-10-29T15:17:40.538Z","dateUpdated":"2026-10-29T15:17:40.538Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-10-01T19:38:09.233Z"},"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 an authenticated attacker to produce a server-generated ZIP archive containing entry paths that traverse outside the intended extraction directory. Extraction of the archive by a victim using a non-sanitizing tool could result in arbitrary file write on the victim's host."}],"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":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"LOW","baseScore":3.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-10-29T15:17:40.538Z"},"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>"}]}]}}}}