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.

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Références

• http://localstack.com
• https://cyberroute.github.io/post/2025-12-11-localstack-hack/
• https://github.com/localstack/localstack/blob/aba1ee84592d76f0a88dd286fcd83b65080e31ac/localstack-core/localstack/services/cloudformation/deploy_ui.py
• https://github.com/localstack/localstack/pull/13293/

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories