CVE-2026-7646
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Langflow
PublishedAug 5, 2026
First seenAug 5, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- langflow langflow1.11.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| langflow langflow | 1.0.0 ≤ v < 1.11.0 | 1.11.0 |
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