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CVE-2026-56846

AI Predicted 7.5 Difficulty: Easy

Possible ATT&CK Techniques 1AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2026-56846

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw in Node.js HTTP/2 handling can cause HTTP/2 retained header blocks evade maxSessionMemory and enable remote memory exhaustion. This vulnerability affects Node.js **24.x** and **22.x**.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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

Affected Products

VendorProductAffected VersionsCPESubscribe
nodejsnode 24.18.0 ~ 24.18.0 -

II. Public POCs for CVE-2026-56846

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III. Intelligence Information for CVE-2026-56846

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Security Blog Posts for CVE-2026-56846 (1)

Same Patch Batch · nodejs · 2026-08-04 · 5 CVEs total

CVE-2026-58045Node.js 22/24/26 zlib拒绝服务漏洞
CVE-2026-58041Node.js 22/24/26版本SQL注入漏洞
CVE-2026-58042Node.js 26/24/22.x dns.resolveAny()拒绝服务漏洞
CVE-2026-58044Node.js 22/24/26 HTTP客户端请求反同步漏洞

IV. Related Vulnerabilities

Same product: node
Same vendor: nodejs
Same weakness: CWE-400

V. Comments for CVE-2026-56846

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