What is the CVSS score of CVE-2026-0770?

CVE-2026-0770 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 10.0%.

Which versions of Langflow are affected by CVE-2026-0770?

A critical remote code execution vulnerability in Langflow (CVE-2026-0770) allows unauthenticated attackers to execute arbitrary commands on affected systems with a 9.8 CVSS score and 10%…

Is there a public PoC exploit available for CVE-2026-0770?

Yes, a public proof-of-concept exploit is available for CVE-2026-0770. Prioritise patching immediately. EPSS: 10.0%.

How to fix or mitigate CVE-2026-0770?

Within 24 hours: Identify all Langflow deployments in your environment and isolate them from production networks or disable public access immediately. Within 7 days: Implement compensating controls (network segmentation, WAF rules blocking exec_globals parameter, disable the validate endpoint if not critical). Within 30 days: Monitor vendor security advisories for patch availability and prepare for emergency deployment; consider evaluating alternative solutions if patch timeline is unacceptable.

Langflow CVE-2026-0770

CRITICAL

Inclusion of Functionality from Untrusted Control Sphere (CWE-829)

2026-01-23 zdi-disclosures@trendmicro.com

GHSA-g22f-v6f7-2hrh

RCE Langflow

9.8

CVSS 3.0 · Vendor: trendmicro

Severity by source

Vendor (trendmicro) PRIMARY

9.8 CRITICAL

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

Primary rating from Vendor (trendmicro) · only source for this CVE.

CVSS VectorVendor: trendmicro

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

Lifecycle Timeline

Added to CISA KEV

Jul 21, 2026 - 19:03 CISA

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 23, 2026 - 04:16 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

Langflow has a third RCE vulnerability via exec_globals (EPSS 10.0%) allowing inclusion of untrusted code that executes in the application's global scope.

Technical ContextAI

Langflow's exec_globals function includes functionality from an untrusted control sphere (CWE-829), executing user-provided code in the application's global scope with full access to all imported modules and application state.