CVE-2026-3340 PUBLISHED

Server-Side Request Forgery (SSRF) in Langflow URL Component

Assigner: ibm
Reserved: 27.02.2026 Published: 30.04.2026 Updated: 30.04.2026

IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	IBM
Product	Langflow Desktop
Versions	affected from 1.0.0 to 1.8.4 (incl.)

Solutions

IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer https://www.langflow.org/blog/langflow-1-8-desktop

If you are already using Langflow Desktop, upgrade in the application to version 1.9.0

To install Langflow Desktop for the first time, visit Download Langflow Desktop https://langflow.org/desktop .

References

https://www.ibm.com/support/pages/node/7271096

Problem Types

CWE-918 Server-Side Request Forgery (SSRF) CWE