Is CVE-2026-3346 actively exploited?

CVE-2026-3346 has no public evidence of in-the-wild exploitation as of 2026-04-30.

What is the CVSS score for CVE-2026-3346?

CVE-2026-3346 has a CVSS score of 6.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

How do I patch CVE-2026-3346?

Patch guidance is available from IBM security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-3346.

Which products are affected by CVE-2026-3346?

1 product: IBM Refer to Description.

CVE-2026-3346 - remediation guidance & executive summary

Description

IBM Langflow Desktop 1.6.0 through 1.8.4 Lanflow is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-89 · SQL Injection

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-2026-3346

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary