{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16763", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-07-23T14:06:33.140Z", "datePublished": "2026-07-23T21:15:10.064Z", "dateUpdated": "2026-07-23T21:15:10.064Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-07-23T21:15:10.064Z"}, "title": "localstack serverless-localstack Configuration index.js os command injection", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-78", "lang": "en", "description": "OS Command Injection"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-77", "lang": "en", "description": "Command Injection"}]}], "affected": [{"vendor": "localstack", "product": "serverless-localstack", "versions": [{"version": "1.0", "status": "affected"}, {"version": "1.1", "status": "affected"}, {"version": "1.2", "status": "affected"}, {"version": "1.3", "status": "affected"}, {"version": "1.4.0", "status": "affected"}], "cpes": ["cpe:2.3:a:localstack:serverless-localstack:*:*:*:*:*:*:*:*"], "modules": ["Configuration Handler"]}], "descriptions": [{"lang": "en", "value": "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": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.8, "vectorString": "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", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "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", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "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", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4.3, "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-07-23T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-07-23T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-07-23T16:11:48.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "wjm2 (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/382620", "name": "VDB-382620 | localstack serverless-localstack Configuration index.js os command injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/382620/cti", "name": "VDB-382620 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-16763", "name": "CVE-2026-16763 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/861028", "name": "Submit #861028 | Node.js serverless-localstack 1.4.0 OS Command Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/localstack/serverless-localstack/issues/303", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/localstack/serverless-localstack/", "tags": ["product"]}]}}}

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