{"id":"CVE-2025-65200","aliases":["EUVD-2025-211174","GHSA-xgg2-59hm-7r89"],"status":"published","title":"An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via...","description":"An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via crafted content hosted on a web-accessable URL and when passed said URL in the the templateURL to the _localstack/cloudformation/deploy endpoint, the hosted content can get executed in the context of the docker container.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00551,"percentile":0.46543,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-22T00:00:00Z","modified":"2026-10-29T02:16:42Z","references":[{"url":"http://localstack.com"},{"url":"https://github.com/localstack/localstack/blob/aba1ee84592d76f0a88dd286fcd83b65080e31ac/localstack-core/localstack/services/cloudformation/deploy_ui.py"},{"url":"https://github.com/localstack/localstack/pull/13293/"},{"url":"https://cyberroute.github.io/post/2025-12-11-localstack-hack/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65200"},{"url":"https://github.com/localstack/localstack/pull/13293"},{"url":"https://cyberroute.github.io/post/2025-12-11-localstack-hack"},{"url":"https://github.com/advisories/GHSA-xgg2-59hm-7r89"}],"sources":{"cve":[{"id":"CVE-2025-65200","description":"An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via crafted content hosted on a web-accessable URL and when passed said URL in the the templateURL to the _localstack/cloudformation/deploy endpoint, the hosted content can get executed in the context of the docker container.","status":"published","published":"2026-10-22T00:00:00Z","modified":"2026-10-29T01:56:35.051Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:26.64278Z"}],"euvd":[{"id":"EUVD-2025-211174","description":"An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via crafted content hosted on a web-accessable URL and when passed said URL in the the templateURL to the _localstack/cloudformation/deploy endpoint, the hosted content can get executed in the context of the docker container.","status":"published","published":"2026-10-22T00:00:00Z","modified":"2026-10-29T01:56:35Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:18.059516Z"}],"ghsa":[{"id":"GHSA-xgg2-59hm-7r89","title":"An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via...","description":"An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via crafted content hosted on a web-accessable URL and when passed said URL in the the templateURL to the _localstack/cloudformation/deploy endpoint, the hosted content can get executed in the context of the docker container.","status":"published","published":"2026-10-22T21:32:35Z","modified":"2026-10-26T18:33:50Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:14:25.232123Z"}],"nvd":[{"id":"CVE-2025-65200","description":"An issue was discovered in localstack 4.9.2 allowing attackers to execute arbitrary code via crafted content hosted on a web-accessable URL and when passed said URL in the the templateURL to the _localstack/cloudformation/deploy endpoint, the hosted content can get executed in the context of the docker container.","status":"published","published":"2026-10-22T19:17:32.26Z","modified":"2026-10-29T02:16:42.417Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:03.20248Z"}]}}
