CVE-2026-123839 · Other
NO FIX YET · SEE WHAT TO DO
In JetBrains IntelliJ IDEA before 2026.3, the Remote Development port forwarding model could open arbitrary URLs without asking the user to confirm. An attacker who can influence a forwarded port could get a victim's IDE to open a link they chose.
first public Nov 6, 2026 · 1 source
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Developers who use IntelliJ IDEA with Remote Development and port forwarding are the ones exposed. The sources do not say whether default configurations are affected, so teams not using Remote Development may be able to skip it, but this is unknown.
Not affected if remote-development-unused
Who cares intellij-idea, jetbrains, remote-development
2026.3.2026.3 or later (the sources give this as the first fixed version).In JetBrains IntelliJ IDEA before 2026.3 opening arbitrary URLs without confirmation was possible via the Remote Development port forwarding model
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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