ZDI-26-933: (0Day) Meta fairseq MultiresHubertModel YAML File Parsing Code Injection Remote Code Execution Vulnerability
Published Nov 11, 2026
·Updated
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Meta fairseq. User interaction is required to exploit this vulnerability in that the target must open a malicious file. The ZDI has assigned a CVSS rating of 7.8.
Event History
Nov 11, 2026
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
An attacker must convince the target to open a malicious YAML file. Exploitation requires user interaction rather than occurring solely through network access.
2
What is the potential impact of a successful exploit?
A successful exploit allows arbitrary code execution on an affected Meta fairseq installation. The advisory assigns a CVSS rating of 7.8.