ZDI-26-932: (0Day) Meta fairseq CtcCriterion YAML File Parsing Code Injection Remote Code Execution Vulnerability
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
Frequently Asked Questions
What must an attacker do to exploit this issue?
An attacker must persuade the target to open a malicious YAML file. Exploitation requires user interaction; the provided information does not indicate that simply receiving or storing the file triggers code execution.
Who is most exposed?
Installations of Meta fairseq where users open YAML files are exposed to this attack scenario. The available information does not identify affected versions, configurations, or whether any default configuration is affected.
How severe is the issue?
The ZDI assigned this vulnerability a CVSS rating of 7.8. Successful exploitation allows arbitrary code execution on an affected installation.