CVE-2026-18904
High
Description
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.
SeverityHigh
CVSS8.2
Exploit probability—
Product
Langflow
PublishedAug 28, 2026
First seenAug 28, 2026
How to fix
Update
- langflow langflow1.11.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| langflow langflow | 1.0.0 ≤ v < 1.11.2 | 1.11.2 |
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