CVE-2026-3346
Stored Cross-Site Scripting (XSS) in Langflow Markdown Rendering via rehypeRaw
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-89 |
| Vendor | ibm |
| Product | langflow desktop |
| Published | Apr 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
IBM / Langflow Desktop
1.6.0 ≤ 1.8.4