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CVE-2026-90584: Allocation of Resources in TooTallNate Java-WebSocket

0
Medium
VulnerabilityCVE-2026-90584cvecve-2026-90584
Published: 09/13/2026 (09/13/2026, 20:15:07 UTC)
Source: CVE Database V5
Vendor/Project: TooTallNate
Product: Java-WebSocket

Description

CVE-2026-90584 is a medium severity vulnerability in TooTallNate Java-WebSocket versions 1.6.0 and 1.6.1. It affects the processFrameContinuousAndNonFin function in the Fragmentation Handler component, leading to excessive allocation of resources when processing manipulated input. The vulnerability can be exploited remotely without authentication. Public exploit code is available, but the fix is pending acceptance in a pull request.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

TooTallNate

Java-WebSocket

Affected versions
=1.6.0=1.6.1
com.github.TooTallNate/Java-WebSocket
pkg:maven/com.github.TooTallNate/Java-WebSocket
Affected versions
=1.6.0=1.6.1
CPE configurations
cpe:2.3:a:tootallnate:java-websocket:*:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/13/2026, 20:46:49 UTC

Technical Analysis

This vulnerability in TooTallNate Java-WebSocket up to version 1.6.1 involves the processFrameContinuousAndNonFin function within the Draft_6455.java file's Fragmentation Handler. An attacker can remotely manipulate input to cause excessive resource allocation, potentially impacting service availability. The issue has a CVSS 4.0 base score of 6.9 (medium severity). Although exploit code is publicly available, the patch is not yet merged and no official fix has been released.

Potential Impact

Successful exploitation may lead to resource exhaustion on the affected system, potentially causing denial of service or degraded performance. The vulnerability is remotely exploitable without privileges or user interaction. No confirmed active exploitation in the wild has been reported.

Mitigation Recommendations

No official patch or fix is currently available as the pull request to address this issue is awaiting acceptance. Users should monitor the vendor's repository or advisory channels for the release of the fix. Until then, consider implementing network-level protections such as rate limiting or filtering to mitigate potential exploitation.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-12T17:40:21.667Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6aa7085055bf5e2cf509bee4

Added to database: 09/13/2026, 20:32:16 UTC

Last enriched: 09/13/2026, 20:46:49 UTC

Last updated: 09/13/2026, 21:13:43 UTC

Views: 5

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