{"id":30932,"date":"2026-09-30T04:31:21","date_gmt":"2026-09-29T20:31:21","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-79534"},"modified":"2026-09-30T04:31:21","modified_gmt":"2026-09-29T20:31:21","slug":"cve-2026-79534","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-79534","title":{"rendered":"CVE-2026-79534 &#8211; mark3labs mcp-filesystem-server v0.11.1 is vulnerable to Directory Traversal due to an imp"},"content":{"rendered":"<p>mark3labs mcp-filesystem-server v0.11.1 is vulnerable to Directory Traversal due to an improper link resolution in validatePath (filesystemserver\/handler\/helper.go). When filepath.EvalSymlinks returns os.IsNotExist for a dangling symlink, the fallback validates only the parent directory and returns the unresolved path, so write_file (and modify_file, copy_file, move_file, create_directory) follows a pre-existing dangling symlink located inside an allowed directory and creates a file outside the configured allowed directories.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mark3labs mcp-filesystem-server v0.11.1 is vulnerable to Directory Traversal due to an improper link resolution in validatePath (filesystemserver\/handler\/helper.go). When filepath.EvalSymlinks returns<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-30932","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/30932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}