Java Architecture Diary

Jun 16, 2025 · Information Security

Why Spring Framework’s RFD Bug Lets Attackers Download Malicious Files—and How to Patch It

Spring’s latest security advisory reveals a critical Reflection File Download (RFD) vulnerability affecting multiple Spring Framework versions, allowing crafted requests to force users to download malicious files, and provides detailed conditions, unaffected scenarios, version impact, and recommended remediation steps.