IBM Langflow Desktop 1.6-1.8.4 XSS Web UI
CVE-2026-3346 Published on April 30, 2026
Stored Cross-Site Scripting (XSS) in Langflow Markdown Rendering via rehypeRaw
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.
Vulnerability Analysis
CVE-2026-3346 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a SQL Injection Vulnerability?
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.
CVE-2026-3346 has been classified to as a SQL Injection vulnerability or weakness.
Products Associated with CVE-2026-3346
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Affected Versions
IBM Langflow Desktop:- Version 1.6.0, <= 1.8.4 is affected.