{"id":"CVE-2026-12942","aliases":["EUVD-2026-51243","GHSA-rmxx-p7v6-pmfp"],"status":"published","title":"Langflow is affected by path traversal due to multiple unauthenticated and insufficiently authorized API endpoints","description":"IBM Langflow OSS 1.0.0 through 1.10.1 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":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00623,"percentile":0.50213,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-07-30T16:45:49Z","modified":"2026-10-25T02:30:43Z","products":[{"vendor":"ibm","product":"langflow oss"},{"vendor":"langflow","product":"langflow"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7279993","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12942"},{"url":"https://github.com/advisories/GHSA-rmxx-p7v6-pmfp"}],"sources":{"cve":[{"id":"CVE-2026-12942","title":"Langflow is affected by path traversal due to multiple unauthenticated and insufficiently authorized API endpoints","description":"IBM Langflow OSS 1.0.0 through 1.10.1 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":"2026-07-30T16:45:49.604Z","modified":"2026-07-30T17:32:16.191Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:19:48.461833Z"}],"euvd":[{"id":"EUVD-2026-51243","description":"IBM Langflow OSS 1.0.0 through 1.10.1 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":"2026-07-30T16:45:49Z","modified":"2026-07-30T17:32:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:02:28.035906Z"}],"ghsa":[{"id":"GHSA-rmxx-p7v6-pmfp","title":"IBM Langflow OSS 1.0.0 through 1.10.1 could allow a remote attacker to traverse directories on...","description":"IBM Langflow OSS 1.0.0 through 1.10.1 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":"2026-07-30T21:31:48Z","modified":"2026-07-30T21:31:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:09:58.559851Z"}],"nvd":[{"id":"CVE-2026-12942","description":"IBM Langflow OSS 1.0.0 through 1.10.1 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":"2026-07-30T19:17:05.297Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:33.955581Z"}],"osv":[{"id":"CVE-2026-12942","description":"IBM Langflow OSS 1.0.0 through 1.10.1 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":"2026-07-30T19:17:05.297Z","modified":"2026-10-25T02:30:43.911821068Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:57.354194Z"}]}}