CVE-2026-0770

Critical9.8Published on January 23, 2026

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.

Actively exploited

In the CISA exploited-vulnerabilities catalogue since Jul 21, 2026
US federal agencies must remediate it by Jul 24, 2026 (BOD 22-01)
First attack observed 22 days after disclosure
Confirmed by sensors, not only by reports

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Source: CISA KEV · Aug 28, 2026 Aug 27, 2026 Aug 20, 2026 Aug 7, 2026 Jul 29, 2026 Jul 21, 2026

CVSS score9.8 / 10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)CWE-829

Vendorslangflow