CVE-2026-27641 - Flask-Reuploaded vulnerable to Remote Code Execution via Server-Side Template In...

CVE ID : CVE-2026-27641 Published : Feb. 25, 2026, 4:16 a.m. | 29 minutes ago Description : Flask-Reuploaded provides file uploads for Flask. A critical path traversal and extension bypass vulnerability in versions prior to 1.5.0 allows remote attackers to achieve arbitrary file write and remote code execution through Server-Side Template Injection (SSTI). Flask-Reuploaded has been patched in version 1.5.0. Some workarounds are available. Do not pass user input to the `name` parameter, use auto-generated filenames only, and implement strict input validation if `name` must be used. Severity: 9.8 | CRITICAL Visit the link for more details, such as CVSS details, affected products, timeline, and more...