TooTallNate Java-WebSocket Fragmentation Draft_6455.java processFrameContinuousAndNonFin allocation of resources (CVE-2026-90584) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-90584

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

Answer in brief

CVE-2026-90584 records a Unknown severity vulnerability in TooTallNate Java-WebSocket Fragmentation Draft_6455.java processFrameContinuousAndNonFin allocation of resources. The current sources do not mark it as known exploited. The current feed maps TooTallNate/Java-WebSocket (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 13, 2026Updated Sep 13, 2026Source checked Sep 13, 2026First seen by HOL Sep 13, 2026Material review Sep 13, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps TooTallNate/Java-WebSocket (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
TooTallNate/Java-WebSocketgeneric	1.6.0 \|\| 1.6.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for TooTallNate/Java-WebSocket.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 13, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 13, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 13, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.