ZDI-26-914: (0Day) Meta fairseq Wav2VecModel 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 does an attacker need to exploit this issue?
The attacker must convince a target user to open a malicious YAML file. Exploitation requires user interaction and results in arbitrary code execution on the affected Meta fairseq installation.
2
Is this remotely exploitable without user interaction?
No. Although the issue can be used by remote attackers, successful exploitation requires the target to open the attacker-controlled malicious file.