CVE-2026-90584: Allocation of Resources in TooTallNate Java-WebSocket
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.
AI Analysis
Technical Summary
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.
CVE-2026-90584: Allocation of Resources in TooTallNate 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
Affected software
TooTallNate
Java-WebSocket
pkg:maven/com.github.TooTallNate/Java-WebSocketcpe:2.3:a:tootallnate:java-websocket:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
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.
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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