CVE-2026-15037

XML injection vulnerability in QDom comment, CDATA and processing-instruction serialization

Published: Jul 23, 2026Updated: Jul 23, 2026 Sources: CVE List NVDCWE-91

N/ACVSS

NVD MITRE

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.

No summary for this CVE yet.

Weaknesses

CWE-91

Affected Products

commercial

QtLibraryLibrary

OSS Libraries / generic-library

Exploitability

Official Patch Available

Workaround Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://codereview.qt-project.org/c/qt/qtbase/+/748323

codereview.qt-project.org

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