Chainlist has SSRF via MCP SSE and streamable-http transports that allows unauthenticated internal network access
High-risk advisory
CVE-2026-45019
Summary
Chainlist has SSRF via MCP SSE and streamable-http transports that allows unauthenticated internal network access
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.