CVE-2026-15037— XML injection vulnerability in QDom comment, CDATA and processing-instruction serialization
Quick assessment
Affected
Qt Qt
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Qt是Qt公司开源的一个跨平台的应用程序开发框架。 Qt 4.0.0版本至6.11版本及之前版本存在输入验证错误漏洞，该漏洞源于在默认InvalidDataPolicy（AcceptInvalidChars）下未转义节点终止符，导致输出中和不当（XML注入），应用程序将不可信文本序列化到这些节点时可能注入任意XML标记。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-15037
Vulnerability Information
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Vulnerability Title
XML injection vulnerability in QDom comment, CDATA and processing-instruction serialization
Source: CVE Program / CVE List V5
Vulnerability Description
Improper output neutralization (XML injection) in QDom comment, CDATA, and processing-instruction serialization in Qt XML from 4.0.0 through 6.11 allows untrusted text serialized by an application into those nodes to inject arbitrary XML markup, because the node terminators are not escaped under the default InvalidDataPolicy (AcceptInvalidChars). Fixed in Qt 6.12.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
XML注入(XPath盲注)
Source: CVE Program / CVE List V5
Vulnerability Title
Qt 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qt是Qt公司开源的一个跨平台的应用程序开发框架。 Qt 4.0.0版本至6.11版本及之前版本存在输入验证错误漏洞，该漏洞源于在默认InvalidDataPolicy（AcceptInvalidChars）下未转义节点终止符，导致输出中和不当（XML注入），应用程序将不可信文本序列化到这些节点时可能注入任意XML标记。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-15037
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Patches & Fixes for CVE-2026-15037 (1)
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V. Comments for CVE-2026-15037
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