{"schema":"threatline.record/2","record":{"id":"CVE-2026-105840","aliases":[],"summary":"lrzsz before 0.13.0 Path Traversal via lrz Restricted Mode checkpath()","details":"lrzsz before 0.13.0 contains a path traversal vulnerability in the lrz receive utility's restricted mode that allows malicious ZMODEM senders to write files outside the current directory using absolute pathnames. Because checkpath() in src/lrz.c only rejects '../' sequences unless built with --enable-pubdir, attackers can send files named with absolute paths to overwrite any file writable by the receiving user.","categories":["Unclassified"],"product":"lrzsz","vendor":"Uwe Ohse","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105840","source_modified_at":"2026-10-09T00:59:56.280Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"lrzsz","vendor":"Uwe Ohse","versions":[{"version":"0","lessThan":"0.13.0","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105840","source_modified_at":"2026-10-09T00:59:56.280Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"lrzsz","ecosystem":null},"version":"0.13.0","basis":"first unaffected version stated in the CVE record"}],"cvss":7.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00313,"percentile":0.23048,"score_date":"2026-10-23"},"published_at":"2026-10-06T13:35:46.072Z","modified_at":"2026-10-09T00:59:56.280Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-105840","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-09T00:59:56.280Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105840","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://ohse.de/uwe/software/lrzsz/NEWS-0.13.0.html","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://ohse.de/uwe/software/lrzsz.html","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/lrzsz-before-0.13.0-path-traversal-via-lrz-restricted-mode-checkpath","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-09T00:59:47.268162Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-09T00:59:56.280Z","content_hash":"9ce2b84e70266c7997f7fecb766400bab52cd73a547e4867d3259d49bad7f331"}}