CVE-2026-33054: Pathlib Path Traversal Unvalidated Token Concat
A user-controlled string is concatenated with a path prefix and joined to a base directory using pathlib without validation. A value containing '..' segments resolves outside the base directory, enabling arbitrary file read/write/delete (CWE-22 / Path Traversal, CVE-2026-33054). Mitigation: (1) validate the input against an allowlist regex such as r'^[A-Za-z
Pythongreprules fetch cve-2026-33054-pathlib-path-traversal-unvalidated-token-concat --engine opengrepDescription
A user-controlled string is concatenated with a path prefix and joined to a base directory using pathlib without validation. A value containing '..' segments resolves outside the base directory, enabling arbitrary file read/write/delete (CWE-22 / Path Traversal, CVE-2026-33054). Mitigation: (1) validate the input against an allowlist regex such as r'^[A-Za-z
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