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Wire · technology

Active Exploitation of Vulnerability in Vite Development Servers

17 September 2026 · By · Wire by Fusion42

Published

17 September 2026

Topic

technology

◆ Sectors

Developer ToolsCybersecurity

◆ Source

Read at csa.gov.sg →

◆ Verified

Fusion42 · 17 September 2026 · Fusion42 review

A high-severity vulnerability (CVE-2026-39364) in Vite development servers is actively exploited, allowing unauthenticated attackers to read restricted files. Users of affected Vite and Vite-plus versions are urged to update immediately.

This Wire brief sits within Fusion42's coverage of Developer Tools and Cybersecurity.

◆ ◆ The Wire takeaway

Your Vite-based projects face immediate risk from an active exploit that lets attackers bypass file restrictions. Patch your servers this week to avoid breaches and protect your users.

◆ Coverage

1 source · 17 Sep 2026

◆ Related on Wire

◆ Topics

Developer ToolsCybersecurityvulnerabilityexploitationvitesecurity-patchdeveloper-tools