CVE-2025-55152
Medium
Description
oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or x-forwarded-for headers.
SeverityMedium
CVSS5.3
Exploit probability—
Product@oakserver/oak
PublishedAug 9, 2025
First seenAug 9, 2025
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @oakserver/oaknpm | v ≤ 14.1.0 | — |
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