CVE-2026-123307: medium-severity vulnerability in JetBrains IntelliJ IDEA
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.8epss 0.3%
In JetBrains IntelliJ IDEA before 2026.3,
2026.2.4 unauthenticated connection to an arbitrary host via run configurations was possible
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected products
JetBrains · IntelliJ IDEARelated CVEs — JetBrains IntelliJ IDEA
In the same product, most dangerous first.