CVE-2026-3346

MEDIUM

Stored Cross-Site Scripting (XSS) in Langflow Markdown Rendering via rehypeRaw

Title source: cna

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.

References (1)

[Vendor Advisory] https://www.ibm.com/support/pages/node/7271095

Scores

CVSS v3 6.4

EPSS 0.0003

EPSS Percentile 7.2%

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-89

Status published

Products (1)

IBM/Langflow Desktop 1.6.0 - 1.8.4

Published Apr 30, 2026

Tracked Since May 01, 2026