What is CVE-2026-48519?

CVE-2026-48519 is a critical-severity vulnerability in Langflow-ai Langflow, classified under Code Injection. CVSS score: 9.6/10. Published 2026-06-23.

How severe is CVE-2026-48519?

Critical severity. CVSS v3 base score is 9.6 out of 10.

RCE in Langflow-ai Langflow

CVE-2026-48519

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, the "Shareable Playground" (or "Public Flows" in code) contains a critical RCE vulnerability. Shareable Playground feature works by enabling the…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Langflow-ai Langflow — versions < 1.9.2

Weakness classification (CWE)

CWE-94 — Code Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48519?: CVE-2026-48519 is a critical-severity vulnerability in Langflow-ai Langflow, classified under Code Injection. CVSS score: 9.6/10. Published 2026-06-23.
How severe is CVE-2026-48519?: Critical severity. CVSS v3 base score is 9.6 out of 10.