{"id":"CVE-2025-65200","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-65200","generatedAt":"2026-10-28T03:58:50.284Z","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, the hosted…","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.","published":"2026-10-22T19:17:32.000Z","lastModified":"2026-10-26T16:17:09.000Z","status":"Awaiting Analysis","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00346,"percentile":0.27948,"date":"2026-10-27","history":[{"date":"2026-10-23","score":0.00181,"percentile":0.07296}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-26T17:45:12.000Z","detail":{"from":null,"score":"5.4","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 5.4 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-10-22T19:17:32.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-22T19:17:32.260Z"},"summary":"New CVE, medium severity (CVSS 5.4)."}],"references":[{"url":"http://localstack.com","source":"cve@mitre.org"},{"url":"https://cyberroute.github.io/post/2025-12-11-localstack-hack/","source":"cve@mitre.org"},{"url":"https://github.com/localstack/localstack/blob/aba1ee84592d76f0a88dd286fcd83b65080e31ac/localstack-core/localstack/services/cloudformation/deploy_ui.py","source":"cve@mitre.org"},{"url":"https://github.com/localstack/localstack/pull/13293/","source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-65200","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}