CVE-2025-55152

MEDIUM 5.3EPSS 0.4%

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.

CVSS v3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS: 0.39% chance of exploitation in the next 30 days, 32th percentile
Published: 2025-08-09
Updated: 2025-08-11

Proof-of-concept exploits (1)

advisories/GHSA-r3v7-pc4g-7xp9

References

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