CVE-2026-16763

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 v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 3.1 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/localstack/serverless-localstack/
https://github.com/localstack/serverless-localstack/issues/303
https://vuldb.com/cve/CVE-2026-16763
https://vuldb.com/submit/861028
https://vuldb.com/vuln/382620
https://vuldb.com/vuln/382620/cti

Configurations

No configuration.

History

23 Jul 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-23 22:16

Updated : 2026-07-24 20:47

NVD link : CVE-2026-16763

Mitre link : CVE-2026-16763

CVE.ORG link : CVE-2026-16763

JSON object : View

Products Affected

No product.

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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