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CVE-2026-90584— TooTallNate Java-WebSocket Fragmentation Draft_6455.java processFrameContinuousAndNonFin allocation of resources

Quick assessment

Affected
TooTallNate Java-WebSocket
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.

在 TooTallNate Java-WebSocket 1.6.1 及之前版本中发现了一个弱点。受影响的组件是 Fragmentation Handler 中 文件里的 函数。执行特定操作可能导致资源分配异常。该漏洞可被远程利用。利用该漏洞的公开利用程序（exploit）已经发布，可用于发起攻击。旨在修复此问题的拉取请求（Pull Request）目前仍在等待被接受。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-90584

Vulnerability Information
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Vulnerability Title
TooTallNate Java-WebSocket Fragmentation Draft_6455.java processFrameContinuousAndNonFin allocation of resources
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in TooTallNate Java-WebSocket up to 1.6.1. The impacted element is the function processFrameContinuousAndNonFin of the file Draft_6455.java of the component Fragmentation Handler. Executing a manipulation can lead to allocation of resources. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.
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
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TooTallNate Java-WebSocket 1.6.0 cpe:2.3:a:tootallnate:java-websocket:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90584

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-90584

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Patches & Fixes for CVE-2026-90584 (1)

Proof of Concept for CVE-2026-90584 (1)

Other References for CVE-2026-90584 (1)

IV. Related Vulnerabilities

Same product: Java-WebSocket
Same vendor: TooTallNate
Same weakness: CWE-770

V. Comments for CVE-2026-90584

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