CVE-2026-16763: OS Command Injection in localstack serverless-localstack
A vulnerability was identified in localstack serverless-localstack up to 1.4.0. The affected element is an unknown function of the file src/index.js of the component Configuration Handler. The manipulation of the argument custom.localstack.docker.compose_file leads to os command injection. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
CVE-2026-16763: OS Command Injection in localstack serverless-localstack
Description
A vulnerability was identified in localstack serverless-localstack up to 1.4.0. The affected element is an unknown function of the file src/index.js of the component Configuration Handler. The manipulation of the argument custom.localstack.docker.compose_file leads to os command injection. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS v4.0
Score 4.8medium
Affected software
cpe:2.3:a:localstack:serverless-localstack:*:*:*:*:*:*:*:*Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-23T14:06:33.140Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6289ae9c2644c7f8c05ba8
Added to database: 07/23/2026, 21:37:50 UTC
Last updated: 07/23/2026, 21:37:50 UTC
Views: 1
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