What is CVE-2025-30208 in Vite?

It's a bypass letting attackers read any server file via @fs endpoint with

How do I secure my Vite dev server?

Bind to localhost (vite --host localhost), update to Vite 5.4+, set server.fs.strict: true, and firewall port 5173.

Does CVE-2025-30208 affect Vite in production?

Rarely — it's a dev server flaw. But exposed previews or CI can leak secrets.

Honeypots Snag Vite Probes Hunting AWS Keys on Exposed Dev Servers

Our honeypots caught dozens of probes yesterday alone, all wielding CVE-2025-30208 against Vite's @fs shortcut. Devs: your quick-setup tool just became a backdoor.

Threat Digest Apr 03, 2026 3 min read 32 views

Honeypot logs displaying Vite @fs probes for CVE-2025-30208

⚡ Key Takeaways

Honeypots detect rising CVE-2025-30208 probes targeting Vite's @fs for secrets like AWS creds. 𝕏
Bind Vite to localhost and patch to 5.4+ — simple fixes stop most exploits. 𝕏
Vite's explosive growth means more exposures ahead; tighten dev server configs now. 𝕏

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Threat Digest

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#CVE-2025-30208 #Vite vulnerability #exposed dev servers #file disclosure exploit #frontend exploits

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Originally reported by SANS Internet Storm Center

⚡ Key Takeaways

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