CVE-2026-3340 Details
Description
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.
A server-side request forgery (SSRF) vulnerability has been identified in IBM Langflow Desktop versions 1.0.0 through 1.8.4. This vulnerability allows authenticated attackers to send unauthorized requests from the Langflow server to internal or restricted network resources, such as localhost services, private IP ranges, and cloud metadata endpoints. The flaw arises because user-supplied URLs are not properly validated before being used in backend HTTP requests. Exploitation of this vulnerability could lead to unauthorized access to sensitive internal systems and data by relaying retrieved responses back through the Langflow execution flow.
Users are advised to upgrade to IBM Langflow Desktop version 1.9.0 or newer. Instructions for downloading Langflow Desktop are available on the Langflow website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.ibm.com/support/pages/node/7271096 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-918 | Server-Side Request Forgery (SSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| langflow langflow desktop | >= 1.0.0, <= 1.8.4 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 11, 2026 | Initial Analysis | [email protected] |
| Apr 30, 2026 | New CVE Received | [email protected] |