CVE-2026-123309mediumCWE-79

CVE-2026-123309: medium-severity vulnerability in JetBrains IntelliJ IDEA

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.1epss 0.2%
In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 stored XSS was possible on the built-in web server via Markdown preview
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
JetBrains · IntelliJ IDEA
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