| Title | Node.js serverless-localstack 1.4.0 OS Command Injection |
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| Description | serverless-localstack passes the custom.localstack.docker.compose_file configuration value directly into a shell command when autostart is enabled and the plugin starts LocalStack through Docker Compose.
The README documents docker.compose_file as an optional Docker Compose file path:
custom:
localstack:
autostart: true
docker:
compose_file: /home/localstack_compose.yml
However, in src/index.js, the value is interpolated into a command string:
exec(`docker-compose -f ${this.config.docker.compose_file} up -d`)
Because the value is not escaped or passed as an argument array, shell metacharacters in the compose file path can execute additional commands.
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| Source | ⚠️ https://github.com/localstack/serverless-localstack/issues/303 |
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| User | wjm2 (UID 99050) |
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| Submission | 06/17/2026 09:18 (1 month ago) |
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| Moderation | 07/23/2026 16:06 (1 month later) |
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| Status | Accepted |
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| VulDB entry | 382620 [localstack serverless-localstack up to 1.4.0 Configuration src/index.js custom.localstack.docker.compose_file os command injection] |
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| Points | 20 |
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