CVE-2026-0770 — CRITICAL (9.8)

Vulnerability Description

Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere 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 exec_globals parameter provided to the validate endpoint. The issue results from the inclusion of a resource from an untrusted control sphere. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-27325.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Langflow	Langflow	1.4.2

Related Weaknesses (CWE)

CWE-829

References

https://www.zerodayinitiative.com/advisories/ZDI-26-036/Third Party Advisory

FAQ

What is CVE-2026-0770?

CVE-2026-0770 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected ins...

How severe is CVE-2026-0770?

CVE-2026-0770 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-0770?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.