Description
A user with admin permission can read and download arbitrary zip files when downloading auto backups. The file name used to identify the zip file is not properly sanitized when passed to res.download API.
Recommendation
Update the @saltcorn/server package to the latest compatible version. Followings are version details:
- Affected version(s): <= 1.0.0-beta.13
- Patched version(s): 1.0.0-beta.14
References
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- esbuild allows arbitrary file read when running the development server on Windows - Vulnerability
- Saltcorn has an Unauthenticated Path Traversal in sync endpoints, allowing arbitrary file write and directory read - CVE-2026-40163
- Saltcorn Server allows logged-in users to delete arbitrary files because of a path traversal vulnerability - CVE-2024-47818


