{"id":"CVE-2025-65200","title":"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…","summary":"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…","severity":"none","published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T18:05:18.644Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-65200","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/"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T22:00:50.362Z","slug":"CVE-2025-65200","body":"## Overview\n\nAn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}