SEPTEMBER 17, 2026
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Case File

CVE-2026-90584

MEDIUM · CVSS 5.3 EPSS 0.42% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-13 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A vulnerability exists in the Fragmentation Handler of the TooTallNate Java-WebSocket library, specifically in the processFrameContinuousAndNonFin function, which can lead to resource allocation issues. This weakness can be exploited remotely, potentially allowing attackers to manipulate the application. Organizations using affected versions of this library should prioritize patching to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-90584
Severity
MEDIUM
CVSS
5.3
EPSS
0.42%
Java

Original NVD 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.