CVE-2026-97845
Uncontrolled recursion vulnerability in QXmlSimpleReader XML parsing impacts Qt
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).
INFO
Published Date :
Nov. 12, 2026, 2:17 p.m.
Last Modified :
Nov. 12, 2026, 9:30 p.m.
Remotely Exploit :
No
Source :
a59d8014-47c4-4630-ab43-e1b13cbe58e3
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | a59d8014-47c4-4630-ab43-e1b13cbe58e3 | ||||
| CVSS 4.0 | MEDIUM | a59d8014-47c4-4630-ab43-e1b13cbe58e3 |
Solution
- Update Qt Core Compatibility APIs and Qt XML module.
- Avoid processing untrusted XML documents.
- Implement input validation for XML data.
- Limit recursion depth in XML parsing.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-97845.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-97845 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-97845
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-97845 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-97845 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by a59d8014-47c4-4630-ab43-e1b13cbe58e3
Nov. 12, 2026
Action Type Old Value New Value 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). Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:X/U:Green Added CWE CWE-674 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/97xxx/CVE-2026-97845.json">CVE-2026-97845</a> Added Reference https://codereview.qt-project.org/c/qt/qt5compat/+/760219 Added Reference https://codereview.qt-project.org/c/qt/qt5compat/+/760220 Added Reference https://codereview.qt-project.org/c/qt/qt5compat/+/771290 Added Reference https://codereview.qt-project.org/c/qt/qt5compat/+/774512 Added Reference https://codereview.qt-project.org/c/qt/qt5compat/+/774513 Added Reference https://codereview.qt-project.org/c/qt/qt5compat/+/774632 Added Reference https://www.qt.io/security-advisories?search=CVE-2026-97845