CVEvulnerability
CVE-2026-62999
7.5 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-07-31
- Last modified
- 2026-10-23
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-180, CWE-22
Description
Copier is a library and CLI app for rendering project templates. From 9.5.0 through 9.16.0, percent-encoded parent-directory segments or encoded path separators in a template URL can match a configured trusted repository prefix before an HTTP server or Git transport decodes the path, allowing unsafe template features from a repository outside the trusted prefix to run after user interaction. This issue is fixed in version 9.17.0.
Related
References
- https://github.com/copier-org/copier/commit/7408f0d6287a7bf452715fd9f25dc54eaba3c295 github.com
- https://github.com/copier-org/copier/releases/tag/v9.17.0 github.com
- https://github.com/copier-org/copier/security/advisories/GHSA-34mv-rjq9-5mch github.com
- https://github.com/copier-org/copier/security/advisories/GHSA-34mv-rjq9-5mch github.com