CVE-2026-90584

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

MEDIUM
5.3
CVSS Score
Published: September 13, 2026 at 08:15 PM UTC
Updated: September 14, 2026 at 09:14 PM UTC
1 product affected across 1 vendorJava-WebSocket

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403169
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403169/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90584
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/913786
ExploitIssue Tracking
Source: cverecord
https://github.com/TooTallNate/Java-WebSocket/issues/1508

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-770CWE-400

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