Chainlit has command injection via MCP stdio transport that allows unauthenticated remote code execution
High-risk advisory
CVE-2026-45018
Summary
Chainlit has command injection via MCP stdio transport that allows unauthenticated remote code execution
Why it matters
GitHub has published a reviewed security advisory for chainlit. Prioritize it with other application dependency updates.
Operator check
Check whether chainlit is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.