{"id":"CVE-2023-6569","aliases":["EUVD-2023-3215","GHSA-gqrq-j6pm-98c2","PYSEC-2026-350"],"status":"published","title":"External Control of File Name or Path in h2oai/h2o-3","description":"External Control of File Name or Path in h2oai/h2o-3","severity":{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00721,"percentile":0.54245,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-610","CWE-73"],"published":"2023-12-14T12:59:46Z","modified":"2026-10-28T02:30:51Z","fixes":[{"ecosystem":"PyPI","package":"h2o","fixed_in":["3.46.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"h2o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.46.0.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"h2o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.46.0.1"}]}],"versions":["3.10.0.10","3.10.0.3","3.10.0.6","3.10.0.7","3.10.0.8","3.10.3.3","3.10.3.4","3.10.4.1","3.10.4.2","3.10.4.3","3.10.4.4","3.10.4.6","3.10.4.8","3.16.0.1","3.16.0.2","3.16.0.3","3.16.0.4","3.18.0.1","3.18.0.10","3.18.0.11","3.18.0.2","3.18.0.3","3.18.0.4","3.18.0.5","3.18.0.6","3.18.0.7","3.18.0.8","3.18.0.9","3.20.0.4","3.20.0.5","3.20.0.6","3.20.0.7","3.20.0.8","3.22.0.1","3.22.0.2","3.22.0.3","3.22.0.4","3.22.0.5","3.22.1.1","3.22.1.2","3.22.1.3","3.22.1.4","3.22.1.5","3.22.1.6","3.24.0.1","3.24.0.2","3.24.0.3","3.24.0.4","3.24.0.5","3.26.0.1","3.26.0.10","3.26.0.11","3.26.0.2","3.26.0.3","3.26.0.4","3.26.0.5","3.26.0.6","3.26.0.8","3.26.0.9","3.28.0.1","3.28.0.2","3.28.0.3","3.28.1.2","3.28.1.3","3.30.0.1","3.30.0.2","3.30.0.3","3.30.0.4","3.30.0.5","3.30.0.6","3.30.0.7","3.30.1.1","3.30.1.2","3.30.1.3","3.32.0.2","3.32.0.3","3.32.0.4","3.32.0.5","3.32.1.1","3.32.1.2","3.32.1.3","3.32.1.4","3.32.1.5","3.32.1.6","3.32.1.7","3.34.0.3","3.34.0.7","3.34.0.8","3.36.0.2","3.36.0.3","3.36.0.4","3.36.1.1","3.36.1.2","3.36.1.3","3.36.1.4","3.36.1.5","3.38.0.1","3.38.0.2","3.38.0.3","3.38.0.4","3.40.0.1","3.40.0.2","3.40.0.3","3.40.0.4","3.42.0.1","3.42.0.2","3.42.0.3","3.42.0.4","3.44.0.1","3.44.0.2","3.44.0.3"]},{"source":"osv","ecosystem":"PyPI","package":"h2o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.46.0.1"}]}],"versions":["3.10.0.10","3.10.0.3","3.10.0.6","3.10.0.7","3.10.0.8","3.10.3.3","3.10.3.4","3.10.4.1","3.10.4.2","3.10.4.3","3.10.4.4","3.10.4.6","3.10.4.8","3.16.0.1","3.16.0.2","3.16.0.3","3.16.0.4","3.18.0.1","3.18.0.10","3.18.0.11","3.18.0.2","3.18.0.3","3.18.0.4","3.18.0.5","3.18.0.6","3.18.0.7","3.18.0.8","3.18.0.9","3.20.0.4","3.20.0.5","3.20.0.6","3.20.0.7","3.20.0.8","3.22.0.1","3.22.0.2","3.22.0.3","3.22.0.4","3.22.0.5","3.22.1.1","3.22.1.2","3.22.1.3","3.22.1.4","3.22.1.5","3.22.1.6","3.24.0.1","3.24.0.2","3.24.0.3","3.24.0.4","3.24.0.5","3.26.0.1","3.26.0.10","3.26.0.11","3.26.0.2","3.26.0.3","3.26.0.4","3.26.0.5","3.26.0.6","3.26.0.8","3.26.0.9","3.28.0.1","3.28.0.2","3.28.0.3","3.28.1.2","3.28.1.3","3.30.0.1","3.30.0.2","3.30.0.3","3.30.0.4","3.30.0.5","3.30.0.6","3.30.0.7","3.30.1.1","3.30.1.2","3.30.1.3","3.32.0.2","3.32.0.3","3.32.0.4","3.32.0.5","3.32.1.1","3.32.1.2","3.32.1.3","3.32.1.4","3.32.1.5","3.32.1.6","3.32.1.7","3.34.0.3","3.34.0.7","3.34.0.8","3.36.0.2","3.36.0.3","3.36.0.4","3.36.1.1","3.36.1.2","3.36.1.3","3.36.1.4","3.36.1.5","3.38.0.1","3.38.0.2","3.38.0.3","3.38.0.4","3.40.0.1","3.40.0.2","3.40.0.3","3.40.0.4","3.42.0.1","3.42.0.2","3.42.0.3","3.42.0.4","3.44.0.1","3.44.0.2","3.44.0.3"]}],"products":[{"vendor":"h2o","product":"h2o"},{"vendor":"h2oai","product":"h2oai/h2o-3"}],"references":[{"url":"https://huntr.com/bounties/a5d003dc-c23e-4c98-8dcf-35ba9252fa3c","tags":["x_transferred","Exploit","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6569","tags":["advisory"]},{"url":"https://github.com/h2oai/h2o-3/commit/e8884f5187eb81311877c5f0dd4d6d9c70f33d78","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/h2o/PYSEC-2026-350.yaml","tags":["web"]},{"url":"https://pypi.org/project/h2o","tags":["web","package"]},{"url":"https://github.com/advisories/GHSA-gqrq-j6pm-98c2","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6569.json","tags":["advisory"]},{"url":"https://github.com/h2oai/h2o-3","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-6569","title":"External Control of File Name or Path in h2oai/h2o-3","description":"External Control of File Name or Path in h2oai/h2o-3","status":"published","published":"2023-12-14T12:59:46.487Z","modified":"2025-05-22T17:44:11.6Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:35:25.095989Z"}],"euvd":[{"id":"EUVD-2023-3215","description":"External Control of File Name or Path in h2oai/h2o-3","status":"published","published":"2023-12-14T12:59:46Z","modified":"2025-05-22T17:44:11Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical"}],"updated_at":"2026-11-02T20:32:40.249574Z"}],"ghsa":[{"id":"GHSA-gqrq-j6pm-98c2","title":"External Control of File Name or Path in h2oai/h2o-3","description":"Remote unauthenticated attackers can overwrite arbitrary server files with attacker-controllable data. The data that the attacker can control is not entirely arbitrary. h2o writes a CSV/XLS/etc file to disk, so the attacker data is wrapped in quotations and starts with \"C1\", if they're exporting as CSV.","status":"published","published":"2023-12-14T15:30:22Z","modified":"2026-10-27T16:32:56Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical"}],"cwes":["CWE-73","CWE-610"],"updated_at":"2026-11-02T14:41:38.969831Z"}],"nvd":[{"id":"CVE-2023-6569","description":"External Control of File Name or Path in h2oai/h2o-3","status":"published","published":"2023-12-14T13:15:55.02Z","modified":"2026-06-17T06:51:00.567Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-73","CWE-610"],"updated_at":"2026-11-02T14:08:54.696438Z"}],"osv":[{"id":"CVE-2023-6569","title":"External Control of File Name or Path in h2oai/h2o-3","description":"External Control of File Name or Path in h2oai/h2o-3","status":"published","published":"2023-12-14T12:59:46.487Z","modified":"2026-10-28T02:30:51.507506109Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T15:44:36.851042Z"},{"id":"GHSA-gqrq-j6pm-98c2","title":"External Control of File Name or Path in h2oai/h2o-3","description":"Remote unauthenticated attackers can overwrite arbitrary server files with attacker-controllable data. The data that the attacker can control is not entirely arbitrary. h2o writes a CSV/XLS/etc file to disk, so the attacker data is wrapped in quotations and starts with \"C1\", if they're exporting as CSV.","status":"published","published":"2023-12-14T15:30:22Z","modified":"2026-10-27T16:45:04.545213111Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical"}],"cwes":["CWE-610","CWE-73"],"updated_at":"2026-11-02T15:46:48.191583Z"},{"id":"PYSEC-2026-350","title":"External Control of File Name or Path in h2oai/h2o-3","description":"Remote unauthenticated attackers can overwrite arbitrary server files with attacker-controllable data. The data that the attacker can control is not entirely arbitrary. h2o writes a CSV/XLS/etc file to disk, so the attacker data is wrapped in quotations and starts with \"C1\", if they're exporting as CSV.","status":"published","published":"2026-06-29T11:50:44.448598Z","modified":"2026-07-01T20:22:54.105066Z","cvss":[{"version":"3.0","score":9.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:56.847083Z"}]}}