What is Directory Traversal in Cybersecurity?
Offensive Security
Version 1.0 · Published April 2026 · Last verified April 2026
An attack that accesses files and directories stored outside the web root folder by manipulating file path variables. Attackers use sequences like "../" to navigate up the directory tree and read sensitive files such as /etc/passwd or application configuration files containing credentials.
Why Directory Traversal Matters for Your Cybersecurity Career
Directory traversal is a common finding in cybersecurity web application penetration tests. Pen testers check every file parameter for path traversal. Security engineers prevent it with input validation, chroot jails, and proper file permission configurations. This vulnerability often chains with other flaws to achieve remote code execution.
Which Cybersecurity Roles Use Directory Traversal?
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An attack that accesses files and directories stored outside the web root folder by manipulating file path variables. Attackers use sequences like "../" to navigate up the directory tree and read sensitive files such as /etc/passwd or application configuration files containing credentials.
Directory traversal is a common finding in cybersecurity web application penetration tests. Pen testers check every file parameter for path traversal. Security engineers prevent it with input validation, chroot jails, and proper file permission configurations. This vulnerability often chains with other flaws to achieve remote code execution.
Cybersecurity professionals who work with Directory Traversal include Penetration Tester, Security Engineer. These roles apply Directory Traversal knowledge within the Offensive Security domain.
Sources
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.
Last verified: April 2026?Report an inaccuracy
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