CVE-2026-115353: Python Path Traversal Uncontained Join Open
Path traversal (CWE-22): a file path is built with os.path.join($BASE, $P) and passed to open() without proving the resolved target stays inside $BASE. os.path.join silently discards $BASE when $P is absolute, and os.path.normpath only collapses "../" lexically, so an attacker-controlled $P can read any file readable by the process. Reject absolute arguments
Pythongreprules fetch cve-2026-115353-python-path-traversal-uncontained-join-open --engine opengrepDescription
Path traversal (CWE-22): a file path is built with os.path.join($BASE, $P) and passed to open() without proving the resolved target stays inside $BASE. os.path.join silently discards $BASE when $P is absolute, and os.path.normpath only collapses "../" lexically, so an attacker-controlled $P can read any file readable by the process. Reject absolute arguments
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