{"id":"CVE-2026-3345","aliases":["EUVD-2026-26441","GHSA-c8wg-94jj-9q2x"],"status":"published","title":"Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint","description":"IBM Langflow Desktop \u003c=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot\" sequences (/../) to view arbitrary files on the system.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00374,"percentile":0.31642,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-04-30T21:11:20Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"ibm","product":"langflow desktop"},{"vendor":"langflow","product":"langflow_desktop"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7271094","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3345"},{"url":"https://github.com/advisories/GHSA-c8wg-94jj-9q2x"}],"sources":{"cve":[{"id":"CVE-2026-3345","title":"Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint","description":"IBM Langflow Desktop \u003c=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot\" sequences (/../) to view arbitrary files on the system.","status":"published","published":"2026-04-30T21:11:20.614Z","modified":"2026-05-27T12:23:58.817Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T13:48:58.05327Z"}],"euvd":[{"id":"EUVD-2026-26441","description":"IBM Langflow Desktop \u003c=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot\" sequences (/../) to view arbitrary files on the system.","status":"published","published":"2026-04-30T21:11:20Z","modified":"2026-05-27T12:23:58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:21:05.296801Z"}],"ghsa":[{"id":"GHSA-c8wg-94jj-9q2x","title":"IBM Langflow Desktop \u003c=1.8.4 Langflow could allow a remote attacker to traverse directories on...","description":"IBM Langflow Desktop \u003c=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot\" sequences (/../) to view arbitrary files on the system.","status":"published","published":"2026-05-01T00:31:26Z","modified":"2026-05-01T00:31:31Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:07:52.84276Z"}],"nvd":[{"id":"CVE-2026-3345","description":"IBM Langflow Desktop \u003c=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing \"dot dot\" sequences (/../) to view arbitrary files on the system.","status":"published","published":"2026-04-30T22:16:25.337Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:16.626888Z"}]}}