copier has 7 CVEs on record between 2025 and 2026. 1 was published in the last 90 days. The median CVSS is 5.5 (medium). None have a confirmed exploitation report.
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 5.5
- Publish → KEV
- —
- Last 90 days
- 1 prev 2
Worst active — by depth score
CVE-2026-53951HighCopier has a trust-prefix bypass via path traversal that runs tasks unprompted41CVE-2025-55201HighCopier's safe template has arbitrary filesystem read/write access41CVE-2026-23986High· 7.1Copier safe template has arbitrary filesystem write access via directory symlinks when _preserve_symlinks: true 39CVE-2026-34730Medium· 5.5Copier `_external_data` allows path traversal and absolute-path local file read without unsafe mode30CVE-2026-23968Medium· 5.5Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks: false30
copier vulnerabilities
CVEs affecting copier, newest first. Open any entry for full detail, references, and exploit status.
7 CVEsRSS
CVE-2026-53951HighCopier has a trust-prefix bypass via path traversal that runs tasks unprompted
Copier has a trust-prefix bypass via path traversal that runs tasks unprompted
CVE-2026-34730Medium· 5.5Copier `_external_data` allows path traversal and absolute-path local file read without unsafe mode
Copier `_external_data` allows path traversal and absolute-path local file read without unsafe mode
CVE-2026-34726Medium· 4.4Copier `_subdirectory` allows template root escape via parent-directory traversal
Copier `_subdirectory` allows template root escape via parent-directory traversal
CVE-2026-23968Medium· 5.5Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks: false
Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks: false
CVE-2026-23986High· 7.1Copier safe template has arbitrary filesystem write access via directory symlinks when _preserve_symlinks: true
Copier safe template has arbitrary filesystem write access via directory symlinks when _preserve_symlinks: true
CVE-2025-55214MediumCopier's safe template has filesystem write access outside destination path
Copier's safe template has filesystem write access outside destination path
CVE-2025-55201HighCopier's safe template has arbitrary filesystem read/write access
Copier's safe template has arbitrary filesystem read/write access