Description
Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. This vulnerability is fixed in 1.9.2.
Severity (CVSS)
| Base score | 9.9 |
|---|---|
| Severity | Critical |
| Version | CVSS 3.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L |
| Provided by | CNA |
Weaknesses
- CWE-639 — CWE-639: Authorization Bypass Through User-Controlled Key
Affected products
| Vendor | Product | Versions |
|---|---|---|
| langflow-ai | langflow | < 1.9.2 |
References
- https://github.com/langflow-ai/langflow/security/advisories/GHSA-qrpv-q767-xqq2 (x_refsource_CONFIRM)
- https://github.com/langflow-ai/langflow/pull/12832 (x_refsource_MISC)
Generated from the official CVE List on 24 Jun 2026 09:35 UTC.