What’s Vulnerable › Vulnerabilities

CVE-2023-6976: Unrestricted Upload of File with Dangerous Type

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-12-20 · updated 2026-06-17
• Weakness: CWE-434

Description

This vulnerability is capable of writing arbitrary files into arbitrary locations on the remote filesystem in the context of the server process.

Affected products

• mlflow/mlflow: before 2.9.2 — fixed in 2.9.2

How to fix

Upgrade to a fixed version: mlflow/mlflow 2.9.2. Check the vendor advisory for mitigations.

References

• https://github.com/mlflow/mlflow/commit/5044878da0c1851ccfdd5c0a867157ed9a502fbc
• https://huntr.com/bounties/2408a52b-f05b-4cac-9765-4f74bac3f20f
• https://github.com/mlflow/mlflow/commit/5044878da0c1851ccfdd5c0a867157ed9a502fbc
• https://huntr.com/bounties/2408a52b-f05b-4cac-9765-4f74bac3f20f

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