CVE-2026-0770
Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Langflow Langflow
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.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 21 July 2026. US federal agencies were required to remediate it by 24 July 2026.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 56.3%, which is higher than 99% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2026-0770 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2026-0770.
What does CVE-2026-0770 affect?
CVE-2026-0770 affects Langflow Langflow. 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.
How severe is CVE-2026-0770?
CVE-2026-0770 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 56.3%, higher than 99% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 24 July 2026.
How should organisations respond to CVE-2026-0770?
Apply the vendor patch for Langflow Langflow as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.