CVE-2026-123309
Received Received - Intake

Stored XSS in JetBrains IntelliJ IDEA Built-in Web Server

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: JetBrains s.r.o.

Description
In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 stored XSS was possible on the built-in web server via Markdown preview

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Published
2026-11-06
Last Modified
2026-11-06
Generated
2026-11-06
EPSS Evaluated
N/A
NVD
CVE-2026-123309
EUVD
EUVD-2026-118073

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
JetBrains IntelliJ IDEA 0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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