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CVE-2026-16763

MEDIUM
5.3
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-16763
State
PUBLISHED
Assigner
VulDB
Reserved
2026-07-23 14:06 UTC
Published
2026-07-23 21:15 UTC
Last updated
2026-07-23 21:15 UTC
Primary CWE
CWE-78
OS Command Injection
Vendor / Product
localstack / serverless-localstack
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Affected products (1)
VendorProductPlatformVersions
localstack serverless-localstack — 1.0, 1.1, 1.2, 1.3 …
Weakness (CWE)
CWESourceDescription
CWE-77 cna Command Injection
CWE-78 cna OS Command Injection
CVSS scores (4)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 3.1 cna CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.3 MEDIUM 3.0 cna CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.8 MEDIUM 4.0 cna CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
4.3 N/D 2.0 cna AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
References (6)
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