Medium 5.3Published Sep 13, 2026

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

Updated under an hour ago (2026-10-19 07:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for TooTallNate Java-WebSocket

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-770, CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Sep 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TooTallNate Java-WebSocket tootallnate:java-websocket	1.6.0; 1.6.1	CNA record

References

https://vuldb.com/vuln/403169vdb-entry, technical-description
https://vuldb.com/vuln/403169/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-90584third-party-advisory
https://vuldb.com/submit/913786third-party-advisory
https://github.com/TooTallNate/Java-WebSocket/issues/1508exploit, issue-tracking
https://github.com/TooTallNate/Java-WebSocket/pull/1509issue-tracking, patch
https://github.com/TooTallNate/Java-WebSocket/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.