CVE-2026-27641: CWE-1336: Improper Neutralization of Special Elements Used in a CVE-2026-27641 is a critical security vulnerability identified in the flask-reuploaded Python package, versions prior to 1.5.0. Flask-Reuploaded is a Flask extension that facilitates file uploads in web applications. The vulnerability is cl

CRITICAL: flask-reuploaded < 1.5.0 allows unauthenticated RCE via SSTI (CVSS 9.8). Upgrade to 1.5.0+ & avoid user input in file names ASAP. Full details: radar.offseq.com/threat/cve-2026-27641-cw... #OffSeq #CVE202627641 #PythonSecurity