CVE-2026-0772 Langflow Disk Cache Deserialization of Untrusted Data Remote Code Execution Vulnerability
Remote attackers with authentication can execute arbitrary code via unsafe deserialization in the Langflow disk cache service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0772?
CVE-2026-0772 is a high-severity unsafe deserialization vulnerability in Langflow Langflow, published on 23 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-502
Which versions are affected by CVE-2026-0772?
It affects 1 product.
Products include Langflow Langflow.
How do I fix CVE-2026-0772?
No fix has been published for CVE-2026-0772 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-0772 being exploited?
There is no known exploitation of CVE-2026-0772 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-fx5r-9f32-2jc8.