{"vulnerability": "CVE-2026-54449", "sightings": [{"uuid": "d79e9d70-2f0a-46a5-a9a0-3e83ec792ea2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54449", "type": "seen", "source": "https://bsky.app/profile/undercode.bsky.social/post/3moeag75jqz2p", "content": "CVE-2026-54449: Critical MCP STDIO Flaw in LangBot Exposes AI Pipelines to Remote Code Execution +\u00a0Video\n\nIntroduction: The Model Context Protocol (MCP) STDIO transport mechanism, widely adopted to connect large language models (LLMs) with external data sources and tools, has recently revealed a\u2026", "creation_timestamp": "2026-06-15T21:34:46.081872Z"}, {"uuid": "a500ea19-5557-4bae-b5bd-d11c757fb933", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-54449", "type": "published-proof-of-concept", "source": "https://github.com/langbot-app/LangBot/security/advisories/GHSA-3pvh-63gf-j9mw", "content": "", "creation_timestamp": "2026-07-15T18:35:05.445158Z"}]}