CVE-2026-85025
Critical
Description
IBM Langflow OSS 1.0.0 through 1.11.5 Langflow could allow an unauthenticated attacker to execute arbitrary code and access or modify chat sessions through publicly shared MCP project endpoints due to improper enforcement of public-flow security restrictions and session isolation controls.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Langflow
PublishedSep 10, 2026
First seenSep 10, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- langflow langflow1.11.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| langflow langflow | 1.0.0 ≤ v < 1.11.6 | 1.11.6 |
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