Is CVE-2026-3340 actively exploited?

CVE-2026-3340 has no public evidence of in-the-wild exploitation as of 2026-04-30.

What is the CVSS score for CVE-2026-3340?

CVE-2026-3340 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

How do I patch CVE-2026-3340?

Patch guidance is available from IBM security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-3340.

Which products are affected by CVE-2026-3340?

1 product: IBM Refer to Description.

CVE-2026-3340 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-918 · Server-Side Request Forgery

Metadata

Primary Vendor: IBM
Published: 4/30/2026
Last Modified: 4/30/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-3340

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary