{"id":"CVE-2026-105840","title":"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","summary":"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 s…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-22"],"vendor":"Uwe Ohse","product":"lrzsz","affected":["lrzsz < 0.13.0"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T15:25:00.650","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105840","references":[{"url":"https://ohse.de/uwe/software/lrzsz.html","label":"disclosure@vulncheck.com"},{"url":"https://ohse.de/uwe/software/lrzsz/NEWS-0.13.0.html","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/lrzsz-before-0.13.0-path-traversal-via-lrz-restricted-mode-checkpath","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T14:00:19.149Z","slug":"CVE-2026-105840","body":"## Overview\n\nlrzsz 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}