copier vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-34730Mediumcopier: Copier `_external_data` allows path traversal and absolute-path local file read without unsafe modeCVE-2026-34726Mediumcopier: Copier `_subdirectory` allows template root escape via parent-directory traversalCVE-2026-23986Mediumcopier: Copier safe template has arbitrary filesystem write access via directory symlinks when…CVE-2026-23968Mediumcopier: Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks:…CVE-2025-55214Mediumcopier: Copier's safe template has filesystem write access outside destination pathCVE-2025-55201Highcopier: Copier's safe template has arbitrary filesystem read/write access

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