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AgentProv

2026-03-17 · 2026-Q1

LangChain Core Path Traversal

Primary layerL5 Config

Who wrote the file that runs on open?

The question layer 5 asks, and failed here.
Fixable
Vendor patch
Vendor response
Patched
In the wild
No
Actor
Attacker

Target

LangChain Core

Impact

Arbitrary file access via prompt-loading API

Root cause

Path traversal in prompt loading

CVE

Sources

Catalog

Cite this: AgentProv incident record: LangChain Core Path Traversal (2026-03-17). https://agentprov.com/incidents/2026-03-17-langchain-core-path-traversal