CVE-2026-3340: Server-Side Request Forgery (SSRF) in Langflow URL Component

Published Apr 28, 2026
·
Updated

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.

Affected Software

3 affected components
IBM Langflow Desktop>=1.0.0<=1.8.4
IBM Langflow Desktop<=1.0.0 - 1.8.4
Langflow Langflow Desktop>=1.0.0<=1.8.4

Remediation

Information

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 .

Event History

Apr 28, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Apr 30, 2026
CVE Published
via MITRE·09:04 PM
Data Sourced
via MITRE·09:04 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-3340?

CVE-2026-3340 has a high severity rating due to its potential to allow unauthorized requests and network enumeration.

2

How do I fix CVE-2026-3340?

To fix CVE-2026-3340, update IBM Langflow Desktop to the latest version beyond 1.8.4.

3

Who is affected by CVE-2026-3340?

CVE-2026-3340 affects all versions of IBM Langflow Desktop from 1.0.0 to 1.8.4.

4

What type of vulnerability is CVE-2026-3340?

CVE-2026-3340 is classified as a Server-Side Request Forgery (SSRF) vulnerability.

5

What impact does CVE-2026-3340 have?

The impact of CVE-2026-3340 includes potential unauthorized access to local and remote resources, leading to security breaches.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203