CVE-2026-49383
Analyzed Analyzed - Analysis Complete
XML External Entity (XXE) Vulnerability in JetBrains IntelliJ IDEA

Publication date: 2026-05-29

Last updated on: 2026-06-01

Assigner: JetBrains s.r.o.

Description
In JetBrains IntelliJ IDEA before 2026.1 xXE in the UI Designer form parser was possible
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Meta Information
Published
2026-05-29
Last Modified
2026-06-01
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
CVE-2026-49383
EUVD
EUVD-2026-33391
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
jetbrains intellij_idea to 2026.1 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-611 The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
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Executive Summary

This vulnerability is a XML External Entity (XXE) attack possibility in the UI Designer form parser of JetBrains IntelliJ IDEA versions before 2026.1.

Impact Analysis

The vulnerability has a low base CVSS score of 3.3, indicating limited impact. It allows local attackers with low privileges to exploit the UI Designer form parser via XXE, potentially leading to limited information disclosure.

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