livebook-dev Livebook up to 0.13.0/0.18.6/0.19.0/0.19.8 DeploymentGroupAgentComponent deployment_group_agent_component.ex os command injection

Summaryinfo

A vulnerability classified as critical has been found in livebook-dev Livebook up to 0.13.0/0.18.6/0.19.0/0.19.8. This affects the function LivebookWeb.Hub.Teams.DeploymentGroupAgentComponent.docker_instructions of the file lib/livebook_web/live/hub/teams/deployment_group_agent_component.ex of the component DeploymentGroupAgentComponent. The manipulation leads to os command injection. This vulnerability is traded as CVE-2026-66297. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in livebook-dev Livebook up to 0.13.0/0.18.6/0.19.0/0.19.8. This issue affects the function LivebookWeb.Hub.Teams.DeploymentGroupAgentComponent.docker_instructions of the file lib/livebook_web/live/hub/teams/deployment_group_agent_component.ex of the component DeploymentGroupAgentComponent. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper Neutralization of Special Elements used in an OS Command (OS Command Injection) vulnerability in livebook-dev livebook allows command injection into generated deployment setup commands. LivebookWeb.Hub.Teams.DeploymentGroupAgentComponent.docker_instructions/2 and LivebookWeb.Hub.Teams.DeploymentGroupAgentComponent.fly_instructions/4 in lib/livebook_web/live/hub/teams/deployment_group_agent_component.ex interpolate deployment group environment variable values into the generated Docker and Fly.io setup commands without shell escaping. The values originate from the deployment group configuration and reach the sinks through Livebook.Hubs.Dockerfile.online_docker_info/3. Both sinks place the value inside a double-quoted shell word, so a value containing a command substitution such as $(...) or backticks is evaluated by the shell without any need to break out of the quoting, and a literal double quote terminates the quoted word and allows arbitrary further tokens. The generated command is displayed in the Livebook web interface with a copy button, so a user who copies it and runs it without reviewing it first executes the injected commands on their own machine, under their own account. An attacker requires privileges sufficient to set deployment group environment variables, while the resulting code execution occurs on the machine of whoever runs the generated command. The Kubernetes instructions are not affected, because they render the same values into a YAML manifest with escaping rather than into a shell command. This issue affects livebook: from 0.13.0 before 0.18.7 and from 0.19.0 before 0.19.9.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-66297 since 07/24/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 0.18.7 or 0.19.9 eliminates this vulnerability.

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Productinfo

Vendor

• livebook-dev

Name

• Livebook

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.13.0
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.18.0
• 0.18.1
• 0.18.2
• 0.18.3
• 0.18.4
• 0.18.5
• 0.18.6
• 0.19.0
• 0.19.1
• 0.19.2
• 0.19.3
• 0.19.4
• 0.19.5
• 0.19.6
• 0.19.7
• 0.19.8

Website

• Product: https://github.com/livebook-dev/livebook/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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