JetBrains
CVE-2026-123311: In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 command execution via a hidden run control in the Markdown preview was possible
CVE-2026-123311 Nov 6, 2026 Source: Vendor
In JetBrains IntelliJ IDEA before 2026.3,
2026.2.4 command execution via a hidden run control in the Markdown preview was possible
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-123311
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