CVE Catalog

CVE-2026-16763

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
1.22%

69th percentile - higher than 69% of all known CVEs

Summary

A vulnerability in localstack serverless-localstack up to version 1.4.0 allows OS command injection via the custom.localstack.docker.compose_file argument in the Configuration Handler component. The attack requires local access and the exploit is publicly available.

Risk Assessment

A local attacker can execute arbitrary system commands on the server, potentially leading to full system compromise.

Recommendation

Update localstack serverless-localstack to a patched version or apply a workaround if available. Restrict local access to the system.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS