TI-2026-61598 Aliases CVE-2026-90584 GHSA-9rqx-8vr7-9c9f

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

HIGH 70CWE-400Published 2026-09-13 · Updated 2026-09-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00724 54th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TooTallNate	Java-WebSocket	1.6.0; 1.6.1	—	No fix listed	CNA

Java-WebSocket VendorTooTallNate Affected 1.6.0; 1.6.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:tootallnate:java-websocket::::::::	—	—	TooTallNate

cpe:2.3:a:tootallnate:java-websocket:*:*:*:*:*:*:*:* Versions — — ·TooTallNate

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2026-90584
2026-10-03 Alias added: GHSA-9rqx-8vr7-9c9f

References

TI-2026-86123 Uncontrolled resource consumption in plist.js binary plist parser CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences