CVE-2026-0772CWE-502

Langflow Disk Cache Deserialization of Untrusted Data Remote Code Execution Vulnerability

High · published January 23, 2026

CVSS v3.0
7.5
EPSS
1%
Percentile
68.9
In the wild
Unconfirmed
What it is

⚡ A crafty twist in the disk cache could let remote attackers execute code with the right authentication! 🚨 Think of it like a restaurant accepting a delivery of ingredients, but they don’t check if those ingredients are safe. If the restaurant uses tainted supplies, they might serve hazardous meals without even realizing it! This vulnerability could lead to an attacker executing arbitrary code as the service account, potentially giving them full reign over the system. Imagine the chef suddenly able to make whatever dish they want, anytime! If exploited, this could lead to catastrophic consequences for the integrity of your data and operations.

Put simply

Think of it like a restaurant accepting a delivery of ingredients, but they don’t check if those ingredients are safe. If the restaurant uses tainted supplies, they might serve hazardous meals without even realizing it! The flaw lies in the deserialization of untrusted data within the disk cache service, allowing an attacker to bypass security measures through improperly validated user input. With the right authentication, they can execute malicious code directly in the context of the service account.

What to do

This vulnerability could lead to an attacker executing arbitrary code as the service account, potentially giving them full reign over the system. Imagine the chef suddenly able to make whatever dish they want, anytime! If exploited, this could lead to catastrophic consequences for the integrity of your data and operations. To mitigate this vulnerability, ensure you update Langflow to the latest version that addresses this flaw. Additionally, implement strict validation checks on all user-supplied data to prevent unauthorized code execution. It's also advisable to review authentication methods to ensure they're robust and secure. You've got this! Following these steps will help you lock down your system and enhance its security! 🛡️

The record
Technical detail
CVSS v3.0
7.5 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01240 · 68.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-01-23T03:29Z
EPSS history
Timeline
  • 23 JAN 03:29Z
    Langflow Disk Cache Deserialization of Untrusted Data Remote Code Execution Vulnerability
    cvelistv5