What is CVE-2026-0768?

CVE-2026-0768 is a critical-severity vulnerability in Langflow, classified under Code Injection. CVSS score: 9.8/10. Published 2026-01-23.

How severe is CVE-2026-0768?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Langflow

CVE-2026-0768

Langflow code Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the code parameter provided to the validate endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute Python code. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-27322.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.020 (79.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Langflow — versions 1.4.2

Weakness classification (CWE)

CWE-94 — Code Injection

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2026-0768?: CVE-2026-0768 is a critical-severity vulnerability in Langflow, classified under Code Injection. CVSS score: 9.8/10. Published 2026-01-23.
How severe is CVE-2026-0768?: Critical severity. CVSS v3 base score is 9.8 out of 10.