{"id":"PYSEC-2026-309","summary":"ChainerRL Visualizer 0.1.1 vulnerable to Path Traversal via unsafe use of send_file function","details":"The chainer/chainerrl-visualizer repository through 0.1.1 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.","aliases":["CVE-2022-31573","GHSA-687h-86vc-5x59"],"modified":"2026-07-01T20:22:50.259424Z","published":"2026-06-29T11:50:33.588318Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31573"},{"type":"WEB","url":"https://github.com/github/securitylab/issues/669#issuecomment-1117265726"},{"type":"PACKAGE","url":"https://github.com/chainer/chainerrl-visualizer"},{"type":"PACKAGE","url":"https://pypi.org/project/chainerrl-visualizer"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-687h-86vc-5x59"}],"affected":[{"package":{"name":"chainerrl-visualizer","ecosystem":"PyPI","purl":"pkg:pypi/chainerrl-visualizer"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1.1"}]}],"versions":["0.1.0","0.1.1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/chainerrl-visualizer/PYSEC-2026-309.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L"}]}