{"cve":"CVE-2026-42448","nvd":{"published":"2026-05-26T18:16:48.320","modified":"2026-07-24T11:10:00.170","status":"Deferred","description":"Magic Wormhole makes it possible to get arbitrary-sized files and directories from one computer to another. Prior to 0.24.0, there is a path traversal when a receiver who specifies \"--output <dir>\" where that output directory currently exists (as a directory). This vulnerability is fixed in 0.24.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","score":3.5},"cwes":["CWE-22"],"references":["https://github.com/magic-wormhole/magic-wormhole/security/advisories/GHSA-cf92-gfcw-6v53"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:36:28.938604137+00:00"},"epss":{"cve":"CVE-2026-42448","score":0.00197,"percentile":0.09413,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cf92-gfcw-6v53","url":"https://osv.dev/vulnerability/GHSA-cf92-gfcw-6v53","summary":"Magic Wormhole: receive, with --output pointing at an existing directory can be path-traversed","modified":"2026-07-13T16:42:43.993773357Z","packages":[{"ecosystem":"PyPI","name":"magic-wormhole","purl":"pkg:pypi/magic-wormhole","ranges":[">=0.23.0 <0.24.0"],"fixed":["0.24.0"]}]},{"id":"PYSEC-2026-2616","url":"https://osv.dev/vulnerability/PYSEC-2026-2616","summary":"Magic Wormhole: receive, with --output pointing at an existing directory can be path-traversed","modified":"2026-07-13T16:32:12.324034954Z","packages":[{"ecosystem":"PyPI","name":"magic-wormhole","purl":"pkg:pypi/magic-wormhole","ranges":[">=0.23.0 <0.24.0"],"fixed":["0.24.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}