An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

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 unaffected
Version Status Constraints
0 unknown < 5.0.0
5.0.0 affected < 6.8.10
6.9.0 affected < 6.11.3

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Project Subscriptions

Vendors Products
Qt Subscribe
Qt Subscribe
Qt5compat Subscribe
Qtbase 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/qt5compat/+/760219 cve-icon
https://codereview.qt-project.org/c/qt/qt5compat/+/760220 cve-icon
https://codereview.qt-project.org/c/qt/qt5compat/+/771290 cve-icon
https://codereview.qt-project.org/c/qt/qt5compat/+/774512 cve-icon
https://codereview.qt-project.org/c/qt/qt5compat/+/774513 cve-icon
https://codereview.qt-project.org/c/qt/qt5compat/+/774632 cve-icon
https://www.qt.io/security-advisories?search=CVE-2026-97845 cve-icon
History

Thu, 12 Nov 2026 13:30:00 +0000

Type Values Removed Values Added
Description An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).
Title Uncontrolled recursion vulnerability in QXmlSimpleReader XML parsing impacts Qt
First Time appeared Qt
Qt qt
Qt qt5compat
Qt qtbase
Weaknesses CWE-674
CPEs cpe:2.3:a:qt:qt5compat:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt
Qt qt5compat
Qt qtbase
References
Metrics cvssV4_0

{'score': 4.3, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/U:Green'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Qt

Published:

Updated: 2026-11-12T13:08:43.473Z

Reserved: 2026-09-25T05:24:04.653Z

Link: CVE-2026-97845

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

No data.

Weaknesses