CVE-2026-123835 · Other
NO FIX YET · SEE WHAT TO DO
Before version 2026.4 of JetBrains Datalore, a race condition in init script upload let code run inside another user's computation. An attacker who wins the race can execute code in a session that belongs to someone else.
first public Nov 6, 2026 · 1 source
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Teams running JetBrains Datalore with multiple users who upload init scripts. The flaw is a race during upload, so a single-user installation is unlikely to be exposed. Sources do not say which deployment modes are affected.
Not affected if single-user, version-2026.4-or-later
Who cares datalore, jetbrains, self-hosted
2026.42026.4 or laterIn JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition
This page as .md · .json · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
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