{"id":"CVE-2026-105840","revision":"85b8ed25c3844a25b55c209df33cd1e4","records":[{"revision":"85b8ed25c3844a25b55c209df33cd1e4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-105840","aliases":[],"title":"lrzsz before 0.13.0 Path Traversal via lrz Restricted Mode checkpath()","description":"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.","state":0,"publishedAt":"2026-10-06T13:35:46.072+00:00","modifiedAt":"2026-10-09T00:59:56.28+00:00","affected":[{"ecosystem":"Vendor product","name":"lrzsz","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Uwe Ohse\",\n                    \"product\": \"lrzsz\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"0.13.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.5,"severity":"HIGH"}],"references":["https://ohse.de/uwe/software/lrzsz/NEWS-0.13.0.html","https://ohse.de/uwe/software/lrzsz.html","https://www.vulncheck.com/advisories/lrzsz-before-0.13.0-path-traversal-via-lrz-restricted-mode-checkpath"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105840","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-105840","identifiers":["CVE-2026-105840"]},"retained":false,"historicalAffected":[]}],"coverage":[]}