# CVE-2026-114366: Qt Framework QWebSocket authentication information disclosure

Source: https://junglewise.ai/threats/cve-2026-114366-an-information-disclosure-vulnerability-in-the-qt-framework  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-06. Updated: 2026-11-06  
License: CC BY 4.0 with a link back

CVE-2026-114366 · Severity: info · Published 2026-11-06

An information disclosure vulnerability exists in Qt Framework's WebSockets module, which handles real-time bidirectional communication in applications. A remote attacker may be able to access sensitive authentication information or other confidential data through the QWebSocket component.

Technologies: [Qt Framework](https://junglewise.ai/threats/technologies/qt-qt-framework). Vendors: [Qt](https://junglewise.ai/threats/vendors/qt).

## Quick answers

**Is CVE-2026-114366 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-114366 being exploited in the wild.

**How severe is CVE-2026-114366?** Informational severity, published 6 November 2026.

**Which products and versions are affected?** Qt Framework unspecified.

**Is there a fix for CVE-2026-114366?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-114366 attacked?** It is in a software library.

**Am I affected by CVE-2026-114366?** Check whether you run Qt Framework at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This information disclosure vulnerability affects the QWebSocket authentication handling in Qt Framework's WebSockets module. The attack vector and specific technical mechanism are not detailed in the advisory, but the vulnerability allows an attacker to potentially extract authentication credentials or sensitive data. No fix version is currently specified.

## Affected products

- Qt Qt Framework unspecified

## Timeline

- 2026-11-06: disclosed

## References

- [https://codereview.qt-project.org/c/qt/qtwebsockets/+/772273](https://codereview.qt-project.org/c/qt/qtwebsockets/+/772273)
- [https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products](https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products)

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