AI Remote Code Execution Vulnerability

langchain-ai/langchain is vulnerable to path traversal due to improper limitation of a pathname to a restricted directory ('Path Traversal') in its LocalFileStore functionality. An attacker can leverage this vulnerability to read or write files anywhere on the filesystem, potentially leading to information disclosure or remote code execution. The issue lies in the handling of file paths in the mset and mget methods, where user-supplied input is not adequately sanitized, allowing directory traversal sequences to reach unintended directories.

What Happened

langchain-ai/langchain is vulnerable to path traversal due to improper limitation of a pathname to a restricted directory ('Path Traversal') in its LocalFileStore functionality. An attacker can leverage this vulnerability to read or write files anywhere on the filesystem, potentially leading to information disclosure or remote code execution. The issue lies in the handling of file paths in the mset and mget methods, where user-supplied input is not adequately sanitized, allowing directory traversal sequences to reach unintended directories.

Why This Matters

The evidence matters to defenders using the affected technology because it could let an attacker run code in affected environments.

Recommended Action

Read the linked source. Identify named vendors, products, or environments and check whether they overlap with yours. Do not wait for a CVE if the report already describes exploitation or a vendor response.

Exposure

Exposure reason: This incident does not currently match a technology in My Interests.

Exploitation status: UNKNOWN

Primary entities:

Timeline

• Incident first seen
  Apr 16, 2024 06:00

  BugSkan first recorded this incident.

• langchain vulnerable to path traversal
  Apr 16, 2024 06:00

  GitHub Advisory Database · Vulnerability

Sources

My Interests Match