CVE-2026-27641: Flask-Reuploaded vulnerable to Remote Code Execution via Server-Side Template Injection
A critical path traversal and extension bypass vulnerability in Flask-Reuploaded allows remote attackers to achieve arbitrary file write and remote code execution through Server-Side Template Injection (SSTI).
References
- github.com/advisories/GHSA-65mp-fq8v-56jr
- github.com/jugmac00/flask-reuploaded
- github.com/jugmac00/flask-reuploaded/commit/d64c6b2f71cb73734fc38baa0e3e156926361288
- github.com/jugmac00/flask-reuploaded/pull/180
- github.com/jugmac00/flask-reuploaded/security/advisories/GHSA-65mp-fq8v-56jr
- nvd.nist.gov/vuln/detail/CVE-2026-27641
Code Behaviors & Features
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