Langflow Disk Cache Deserialization of Untrusted Data Remote Code Execution Vulnerability.
Date: 2026-01
Affected: langflow/langflow
Attack vector: deserialization
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-0772
CWE: CWE-502
CVSS: 7.5 (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Langflow Disk Cache Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is required to exploit this vulnerability. The specific flaw exists within the disk cache service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-27919.


Mitigations:

Architectural layers (MAESTRO):