Is CVE-2026-114369 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-114369 being exploited in the wild.

How severe is CVE-2026-114369?

Informational severity, published 12 November 2026.

Is there a fix for CVE-2026-114369?

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.

Am I affected by CVE-2026-114369?

Check whether you run Qt WebSockets. 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.

CVE-2026-114369: Qt WebSockets resource exhaustion

CVE-2026-114369 · Severity: info · Published 2026-11-12

Qt WebSockets, a library used by applications to handle WebSocket connections, contains a resource exhaustion vulnerability in its QWebSocket and QWebSocketServer classes. An attacker could exploit this to cause an application using the library to consume excessive system resources, leading to service degradation or denial of service.

Vendors: Qt.

Quick answers

Is CVE-2026-114369 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-114369 being exploited in the wild.
How severe is CVE-2026-114369?: Informational severity, published 12 November 2026.
Which products and versions are affected?: Qt Qt WebSockets.
Is there a fix for CVE-2026-114369?: 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-2026-114369 attacked?: It is in a software library.
Am I affected by CVE-2026-114369?: Check whether you run Qt WebSockets. 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

A resource exhaustion vulnerability exists in Qt Framework's QWebSocket and QWebSocketServer classes within the Qt WebSockets module. The vulnerability allows an attacker to trigger excessive resource consumption through malformed or specially crafted WebSocket traffic. Patches have been proposed in the Qt project's code review system.

Affected products

Qt Qt WebSockets

Timeline

2026-11-12: disclosed

References

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