SEPTEMBER 19, 2026
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Case File

CVE-2026-16763

MEDIUM · CVSS 5.3 EPSS 0.70% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-23 · Last synced 2026-08-22

CyberRota Analysis

AI-Generated

A command injection vulnerability exists in the Configuration Handler of localstack serverless-localstack versions up to 1.4.0, specifically within the handling of the `custom.localstack.docker.compose_file` argument. This flaw allows local attackers to execute arbitrary OS commands, posing a risk to the integrity and security of the affected Docker environments. Organizations utilizing this version of localstack should prioritize remediation, especially if they operate in environments where local access is possible.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-16763
Severity
MEDIUM
CVSS
5.3
EPSS
0.70%
Docker

Original NVD 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.