{"id":"CVE-2025-65200","published":"2026-10-22T19:17:32.260","lastModified":"2026-10-26T16:17:09.380","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.","cvssScore":5.4,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"http://localstack.com","tags":[]},{"url":"https://cyberroute.github.io/post/2025-12-11-localstack-hack/","tags":[]},{"url":"https://github.com/localstack/localstack/blob/aba1ee84592d76f0a88dd286fcd83b65080e31ac/localstack-core/localstack/services/cloudformation/deploy_ui.py","tags":[]},{"url":"https://github.com/localstack/localstack/pull/13293/","tags":[]}],"exploitRefs":[{"url":"https://github.com/localstack/localstack/blob/aba1ee84592d76f0a88dd286fcd83b65080e31ac/localstack-core/localstack/services/cloudformation/deploy_ui.py","tags":[]},{"url":"https://github.com/localstack/localstack/pull/13293/","tags":[]}],"hasPoc":true,"ai":null}