CVE-2026-9202
Critical
Description
IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to create unlimited user accounts on any Langflow instance; when NEW_USER_IS_ACTIVE=true (documented deployment option), newly created accounts are immediately active and can authenticate to reach RCE endpoints, bypassing the need for AUTO_LOGIN.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Langflow
PublishedJul 17, 2026
First seenJul 17, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- langflow langflow1.10.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| langflow langflow | 1.0.0 ≤ v < 1.10.1 | 1.10.1 |
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