Resource exhaustion vulnerability in the HTTP request handling of the QHttpServer component of Qt HTTP Server.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact Low

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
6.4.0 affected < 6.11.3
6.12.0 affected < 6.12.1

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Project Subscriptions

Vendors Products
Qt Subscribe
Qt Subscribe
Qthttpserver 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/qthttpserver/+/768560 cve-icon cve-icon
https://codereview.qt-project.org/c/qt/qthttpserver/+/768934 cve-icon cve-icon
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-110944: cve-icon cve-icon
History

Wed, 04 Nov 2026 07:30:00 +0000

Type Values Removed Values Added
Description Resource exhaustion vulnerability in the HTTP request handling of the QHttpServer component of Qt HTTP Server.
Title Resource exhaustion vulnerability in HTTP request handling impacts Qt HTTP Server (QHttpServer)
First Time appeared Qt
Qt qt
Qt qthttpserver
Weaknesses CWE-770
CPEs cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qthttpserver:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
Qt qthttpserver
References
Metrics cvssV4_0

{'score': 2.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:U/R:U/RE:L/U:Green'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Qt

Published:

Updated: 2026-11-04T07:04:07.151Z

Reserved: 2026-10-15T08:37:03.372Z

Link: CVE-2026-110944

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-04T08:17:15.313

Modified: 2026-11-04T08:17:15.313

Link: CVE-2026-110944

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T09:45:11Z

Weaknesses