Vulnerability · Published Jan 23, 2026 · Assigned by zdi

CVE-2026-0772Langflow Disk Cache Deserialization of Untrusted Data Remote Code Execution Vulnerability

High 7.5

In plain English

A high-severity unsafe deserialization in Langflow from Langflow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)1.2%top 30.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Langflow	Langflow	1.5.0.post2

Weakness: CWE-502 · Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ZDI-26-038 x_research-advisory