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6.5

IBM Langflow allows unauthorized access to sensitive files

CVE-2026-7646 · published 3 months ago
Summary

IBM Langflow, a popular open-source AI tool, has a security issue that allows users to access sensitive files on the server. This could lead to unauthorized access to confidential data, including user documents and security secrets. To protect your system, update IBM Langflow to the latest version as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm langflow oss <= 1.10.3
Original advisory text
IBM Langflow OSS 1.0.0 through 1.10.3 allows users to read arbitrary files from the server filesystem, including other users' uploaded documents, the JWT signing secret, the SQLite database, and pr...
IBM Langflow OSS 1.0.0 through 1.10.3 allows users to read arbitrary files from the server filesystem, including other users' uploaded documents, the JWT signing secret, the SQLite database, and process environment variables, by sending a crafted MCP `resources/read` request with a URL-encoded path traversal sequence in the filename.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-22Path Traversal
Timeline
Published5 Aug 2026
Updated4 Nov 2026
First seen5 Aug 2026
Sources
CVE-2026-7646 · NVD
CVE-2026-7646 · MITRE
CVE-2026-7646 · OSV
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