Path Traversal in Copier-org Copier
CVE-2025-55201
Copier library and CLI app for rendering project templates. Prior to 9.9.1, a safe template can currently read and write arbitrary files because Copier exposes a few pathlib.Path objects in the Jinja context which have unconstrained I/O me…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.
Affected products
- Copier-org Copier — versions < 9.9.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-55201?
- CVE-2025-55201 is a vulnerability in Copier-org Copier, classified under Path Traversal. Published 2025-08-18.
- Is CVE-2025-55201 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.