The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APP_STORAGE_CERTIFICATES/.well-known/acme-challenge must exist on disk. (This pathname is automatically created if the user chooses to install Let's Encrypt certificates via Appwrite.)
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| appwrite/server-ce(Packagist) | 0.5.0 | 0.12.2 | N/A |
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