What’s Vulnerable › Vulnerabilities
CVE-2026-3346: Stored Cross-Site Scripting (XSS) in Langflow Markdown Rendering via rehypeRaw
- Severity: medium (CVSS 6.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-30 · updated 2026-10-26
- Weakness: CWE-89
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.
Affected products
- IBM Langflow Desktop: from 1.6.0 through 1.8.4
References
Get alerted when CVE-2026-3346 or the next vulnerability affects your stack