Unrated severityNVD Advisory· Published Oct 22, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Localstack/localstackllm-fuzzy
Range: <4.9.2

Patches

Vulnerability mechanics

References

localstack.comnvd
cyberroute.github.io/post/2025-12-11-localstack-hack/nvd
github.com/localstack/localstack/blob/aba1ee84592d76f0a88dd286fcd83b65080e31ac/localstack-core/localstack/services/cloudformation/deploy_ui.pynvd
github.com/localstack/localstack/pull/13293/nvd

News mentions

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