An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
qt Qt Framework unaffected
Version Status Constraints
0 unknown < 6.6.0
6.6.0 affected < 6.8.10
6.9.0 affected < 6.11.3
6.12.0 affected < 6.12.1

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Project Subscriptions

Vendors Products
Qt Subscribe
Qt Subscribe
Qtwebsockets Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://codereview.qt-project.org/c/qt/qtwebsockets/+/772273 cve-icon cve-icon
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-114366 cve-icon cve-icon
History

Fri, 06 Nov 2026 04:45:00 +0000

Type Values Removed Values Added
Description An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
Title Information disclosure vulnerability in authentication handling of QWebSocket impacts Qt Framework
First Time appeared Qt
Qt qt
Qt qtwebsockets
Weaknesses CWE-226
CPEs cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qtwebsockets:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
Qt qtwebsockets
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/RE:L/U:Green'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Qt

Published:

Updated: 2026-11-06T04:40:04.282Z

Reserved: 2026-10-21T09:53:58.584Z

Link: CVE-2026-114366

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T05:18:20.220

Modified: 2026-11-06T05:18:20.220

Link: CVE-2026-114366

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T05:30:15Z

Weaknesses