PT-2025-32423 · Bun+4 · Bun+4

Dellalibera · CVE-2025-55152 · Published 2025-08-09 · Updated 2025-08-12

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions oak versions 17.1.5 and below

Description oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. Specially crafted values in the x-forwarded-proto or x-forwarded-for headers can significantly slow down an oak server.

Recommendations Update oak to a version later than 17.1.5.

Exploit

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

CWE-1333

Related Identifiers

CVE-2025-55152

GHSA-R3V7-PC4G-7XP9

Affected Products

Bun

Cloudflare Workers

Deno

Node.Js

Oak

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55152.json · Exploit
• https://osv.dev/vulnerability/GHSA-r3v7-pc4g-7xp9 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-55152 · Security Note
• https://osv.dev/vulnerability/CVE-2025-55152 · Vendor Advisory
• https://github.com/oakserver/oak · Note
• https://github.com/oakserver/oak/blob/v17.1.5/request.ts#L142 · Note
• https://github.com/oakserver/oak/blob/v17.1.5/request.ts#L87 · Note
• https://github.com/oakserver/oak/security/advisories/GHSA-r3v7-pc4g-7xp9 · Note
• https://github.com/oakserver/oak/commit/b60e60330ef227707c4dc13ef0ea36192d894f44 · Note
• https://twitter.com/f8sbrightermind/status/1954014026167362029 · Twitter Post
• https://twitter.com/CVEnew/status/1954014379055493530 · Twitter Post
• https://t.me/CVEtracker/29562 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1954008016879046906 · Twitter Post
• https://t.me/cveNotify/131541 · Telegram Post