CVE-2026-3340

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

Published Apr 30, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

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 .

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Langflow
Langflow langflow Desktop
CPEs cpe:2.3:a:langflow:langflow_desktop:*:*:*:*:*:*:*:*
Vendors & Products Langflow
Langflow langflow Desktop
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Server-Side Request Forgery (SSRF) in Langflow URL Component
First Time appeared Ibm
Ibm langflow Desktop
Weaknesses CWE-918
CPEs cpe:2.3:a:ibm:langflow_desktop:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Desktop
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
May 1, 2026, 4:38 PM
Reserved
Feb 27, 2026, 3:22 PM
Status
Analyzed
Published
Apr 30, 2026, 9:16 PM
Modified
Oct 26, 2026, 10:10 PM