LangChain cisa cybersecurity mcp server Resource/CVE-2025-25249 — Fortinet Multiple Products Heap-based Buffer Overflow …
How to: LangChain cisa cybersecurity mcp server CVE-2025-25249 — Fortinet Multiple Products Heap-based Buffer Overflow …
Add cisa cybersecurity mcp server to LangChain
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01
Open pip install langchain-mcp-adapters and merge this in. Keep any servers already there.
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"cisa-cybersecurity-mcp-server": {
"transport": "streamable_http",
"url": "https://cisa-cybersecurity.caseyjhand.com/mcp",
}
})
tools = await client.get_tools()
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02
Save the file and restart LangChain.
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03
CVE-2025-25249 — Fortinet Multiple Products Heap-based Buffer Overflow … is surfaced through the client's resource API, read by URI. It is context to attach, not an action to run.
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04
If it does not appear, check that cisa cybersecurity mcp server is connected and that you are looking at its resources rather than its tools.
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs
Set these first
cisa cybersecurity mcp server will not start until these are set, so it never reaches LangChain.
-
MCP_LOG_LEVEL -
CISA_KEV_REFRESH_CRON -
CISA_CSAF_MIRROR_PATH -
CISA_CSAF_MIRROR_AUTO_INIT -
CISA_CSAF_REFRESH_CRON -
CISA_VULNRICHMENT_CACHE_TTL_SECONDS -
CISA_FEED_CACHE_TTL_SECONDS -
CISA_HTTP_TIMEOUT_MS
Same resource, other clients
Read from the server itself, by connecting to it and calling resources/list on 24 September 2026.
A listing does not declare its resources, so asking is the only way to know them, and this
is what the server actually offers rather than what its listing claims. Names only are
stored; connect the server for each resource's type and contents.