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CVE-2025-55152— oak: ReDoS in x-forwarded-proto and x-forwarded-for headers

Quick assessment

Affected
oakserver oak
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

oak是oak开源的一个中间件框架。 oak 17.1.5及之前版本存在安全漏洞，该漏洞源于x-forwarded-proto或x-forwarded-for标头的特制值可能导致服务器性能下降。

CVSS 5.3 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-55152

Vulnerability Information
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Vulnerability Title
oak: ReDoS in x-forwarded-proto and x-forwarded-for headers
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
oak 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
oak是oak开源的一个中间件框架。 oak 17.1.5及之前版本存在安全漏洞，该漏洞源于x-forwarded-proto或x-forwarded-for标头的特制值可能导致服务器性能下降。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
oakserver oak < 17.1.6 -

II. Public POCs for CVE-2025-55152

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III. Intelligence Information for CVE-2025-55152

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Vendor Advisories for CVE-2025-55152 (1)

IV. Related Vulnerabilities

Same product: oak
Same vendor: oakserver
Same weakness: CWE-400

V. Comments for CVE-2025-55152

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