{"id":"ECHO-34c7-ca18-1a8c","upstream":["CVE-2026-34070","GHSA-qh6h-p6c9-ff54"],"severity":[],"modified":"2026-04-16T07:18:19.704Z","affected":[{"package":{"ecosystem":"Echo:PyPI","name":"langchain-core","purl":"pkg:pypi/langchain-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.21+echo.1"}]}]}],"references":[{"type":"WEB","url":"https://advisory.echohq.com/cve/CVE-2026-34070"},{"type":"WEB","url":"https://github.com/advisories/GHSA-qh6h-p6c9-ff54"}]}