CVE-2026-16763
Last modified
CVE-2026-16763 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| localstack | serverless-localstack | 1.0; 1.1; 1.2; 1.3; 1.4.0 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-16763?
How severe is CVE-2026-16763?
How do I fix CVE-2026-16763?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-1674The Gutena Forms – Contact Form, Survey Form, Feedback Form,…6.5
- CVE-2026-16743A flaw was found in accountsservice. The systemd-homed code …5.5
- CVE-2026-16745A flaw was found in odh-dashboard, the web console component…8.8
- CVE-2026-1675The Advanced Country Blocker plugin for WordPress is vulnera…5.3
- CVE-2026-16751Authorization Bypass in the emergency recovery approval comp…
- CVE-2026-16756Missing connection and header-read timeouts and the absence …8.7
- CVE-2026-16764A vulnerability was identified in OWASP DefectDojo 2.59.0. T…6.3
- CVE-2026-16765A vulnerability was determined in CodeAstro Online Classroom…7.3
- CVE-2026-16766Catalyst::View::Wkhtmltopdf versions before 0.6.1 for Perl a…9.8
- CVE-2026-16767A vulnerability was detected in Ne-Lexa php-zip up to 4.0.2.…6.5
- CVE-2026-16768A flaw was found in gdk-pixbuf. When parsing a specially cra…5.3
- CVE-2026-1677Zephyr sockets created with `IPPROTO_TLS_1_3` can still nego…5.3
Are you affected by CVE-2026-16763?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST