{"id":"CVE-2026-106057","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-106057","generatedAt":"2026-10-28T01:11:45.254Z","title":"patool before 4.0.6 contains an OS command injection vulnerability on Windows because shell_quote_nt fails to escape cmd.exe metacharacters or embedded double quotes in archive filenames.","description":"patool before 4.0.6 contains an OS command injection vulnerability on Windows because shell_quote_nt fails to escape cmd.exe metacharacters or embedded double quotes in archive filenames. Attackers can supply crafted filenames like report&calc.gz for single-file formats run with shell=True to execute commands with patool process privileges.","published":"2026-10-07T12:17:09.000Z","lastModified":"2026-10-07T16:02:48.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.5,"severity":"HIGH","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-78"],"affected":[],"epss":{"score":0.00749,"percentile":0.54649,"date":"2026-10-26","history":[{"date":"2026-10-08","score":0.00759,"percentile":0.53881}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-07T12:17:09.000Z","detail":{"score":"8.5","severity":"HIGH","publishedAt":"2026-10-07T12:17:08.730Z"},"summary":"New CVE, high severity (CVSS 8.5)."}],"references":[{"url":"https://github.com/wummel/patool","source":"disclosure@vulncheck.com"},{"url":"https://github.com/wummel/patool/blob/4.0.5/patoolib/util.py#L110-L116","source":"disclosure@vulncheck.com"},{"url":"https://github.com/wummel/patool/commit/592f35761f428afbcde2888ecd3cc4af43881aeb","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/patool-before-4.0.6-os-command-injection-on-windows-via-shell-quote-nt","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-106057","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}