RCE in Langflow-ai Langflow
CVE-2026-6600
A flaw has been found in langflow-ai langflow up to 1.8.3. This affects an unknown function of the file src/frontend/src/modals/IOModal/components/chatView/chatMessage/components/edit-message.tsx of the component Frontend React Component R…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (10.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Langflow-ai Langflow — versions 1.8.0, 1.8.1, 1.8.2
Weakness classification (CWE)
References
- VDB-358235 | langflow-ai langflow Frontend React Component Rendering edit-message.tsx cross site scripting (vdb-entry)
- VDB-358235 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #791923 | Langflow <= 1.8.3 Stored Cross-Site Scripting (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-6600?
- CVE-2026-6600 is a low-severity vulnerability in Langflow-ai Langflow, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-04-20.
- How severe is CVE-2026-6600?
- Low severity. CVSS v3 base score is 3.5 out of 10.