[ CVE-2025-65200 · Published 22 Oct 2026 ]
Vulnerability
Not scored yet
No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.