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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, t…

Exact source revision recorded 26 Oct 2026 16:35:30 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2025-65200

Published

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.

Source published
22 Oct 2026 00:00:00 UTC
Source modified
26 Oct 2026 15:52:54 UTC
Observed here
26 Oct 2026 16:35:30 UTC
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Sources read 27 Oct 20:54 UTC · 272 of 272 readable · 270 fully read · documentation 467/469 current