CVE-2025-14279CWE-346

DNS Rebinding Vulnerability in mlflow/mlflow

High · published January 12, 2026

CVSS v3.0
8.1
EPSS
0%
Percentile
11.6
In the wild
Unconfirmed
What it is

🚨 A sneaky DNS rebinding vulnerability in MLFlow lets attackers bypass protections with just a crafty website. 🔥 Think of the Same-Origin Policy as a bouncer at an exclusive club, only letting in guests from certain addresses. With this flaw, a malicious site can throw a fake VIP pass, sneaking in and making unauthorized moves inside MLFlow's data party! An attacker could easily waltz through the front door, querying, updating, or even deleting experiments. This could lead to absolutely devastating data exfiltration or manipulation, putting sensitive research at risk! Imagine losing critical data or worse, having it changed without your knowledge — yikes!

Put simply

Think of the Same-Origin Policy as a bouncer at an exclusive club, only letting in guests from certain addresses. With this flaw, a malicious site can throw a fake VIP pass, sneaking in and making unauthorized moves inside MLFlow's data party! CVE-2025-14279 arises from the lack of Origin header validation in the MLFlow REST server, allowing malicious sites to execute unauthorized calls against vulnerable REST endpoints. This could result in attackers gaining access to sensitive information and controlling experiments.

What to do

An attacker could easily waltz through the front door, querying, updating, or even deleting experiments. This could lead to absolutely devastating data exfiltration or manipulation, putting sensitive research at risk! Imagine losing critical data or worse, having it changed without your knowledge — yikes! Immediate action is crucial! Upgrade to MLFlow version 3.5.0 to patch this vulnerability. Additionally, review your current configurations and ensure that Origin header validations are enforced to enhance security. Don't wait – secure your experiments! You've got this! By following these steps, you’ll be one step closer to locking down your MLFlow environment! 🛡️

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00218 · 11.6th percentile
Weakness
CWE-346 · Origin Validation Error
Published
2026-01-12T08:15Z
EPSS history
Timeline
  • 12 JAN 08:15Z
    DNS Rebinding Vulnerability in mlflow/mlflow
    cvelistv5