CVE-2026-18904
Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities
- State
- Published
- Severity
- 8.2 High
- Published
- Aug 28, 2026
- Updated
- Aug 31, 2026
- Reserved
- Aug 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N | ibm |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
Langflow OSSIBM |
|
References
- https://www.ibm.com/support/pages/node/7284579vendor-advisorypatch
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