AIKIDO-2026-581179
livebook is vulnerable to OS Command Injection
50
CVE Score
Medium
OS Command Injection
TL;DR
Livebook interpolates deployment group environment variable values into generated Docker and Fly.io agent setup commands without shell escaping. A value containing a command substitution or quote breaks out of the intended command, so an operator who copies the generated command and runs it executes injected shell commands on their own machine. The fix shell-escapes environment variable values in the generated instructions.
How do I fix this?
Upgrade the livebook library to the patch version.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you use Livebook Teams deployment groups and run the generated Docker or Fly.io agent setup commands without reviewing them.
Package
Versions
0.13.0 - 0.18.6
Fixed in 0.18.70.19.0 - 0.19.8
Fixed in 0.19.9Background info
livebook is vulnerable to OS Command Injection in versions 0.13.0 - 0.18.6 and 0.19.0 - 0.19.8.
Links
GitHub Release
Fix Commits
github.com/livebook-dev/livebook/commit/0c2487326bbb37cb1eb43bb2f76eb93ad9f8fd6bgithub.com/livebook-dev/livebook/commit/b2a8416d149043132fe5a14ed611e0fefc9dc9cdgithub.com/livebook-dev/livebook/commit/f8fe9c62cb8bfc1dd0ccda4ea4a57c5e91563c85
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