🛡️ CVE-2026-16763

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-77 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Weakness class

CVE-2026-16763 is classified as CWE-77: Command Injection. User input is placed into a command that the system interprets, allowing extra commands to be appended to the intended one.

Affected software

CVE-2026-16763 is recorded against 1 package.

  • unknown

Timeline and source

Published on 23 July 2026 and last revised on 24 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com
vuldb.com
vuldb.com
vuldb.com
vuldb.com

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE CWE-77
Public Exploit ✅ No
Source NVD
Published 2026-07-23
Updated 2026-08-11
Modified 2026-07-24
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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