CVE-2026-49383

XML External Entity Vulnerability in JetBrains IntelliJ IDEA UI Designer

Published May 29, 2026 CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Description
In JetBrains IntelliJ IDEA before 2026.1 xXE in the UI Designer form parser was possible

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains intellij Idea
Vendors & Products Jetbrains
Jetbrains intellij Idea
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title XML External Entity Vulnerability in JetBrains IntelliJ IDEA UI Designer
Type Values Removed Values Added
Description In JetBrains IntelliJ IDEA before 2026.1 xXE in the UI Designer form parser was possible
Weaknesses CWE-611
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
May 29, 2026, 7:27 PM
Reserved
May 29, 2026, 6:07 PM
Status
Analyzed
Published
May 29, 2026, 7:16 PM
Modified
Jul 22, 2026, 6:10 AM