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VulnerabilityPublished

ZDI-26-934: (0Day) Meta fairseq FConvLanguageModel YAML File Parsing Code Injection Remote Code Execution Vulnerability

Source Zero Day Initiative

0
Severity
High

Rated High by Zero Day Initiative

Data as of 11 Nov 2026, 17:28 UTC

What to do

AI-suggested

Until a fix is available, avoid opening untrusted YAML files with Meta fairseq's FConvLanguageModel component.

Description

A remote code execution vulnerability exists in Meta fairseq's FConvLanguageModel YAML file parsing. Exploitation requires user interaction by opening a maliciously crafted file. The vulnerability has been assigned a high severity rating of 7.8 by ZDI.

References

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