Skip to content
NewA calmer, faster ZeroHour
StoryVulnerabilityhigh

ZDI publishes two unpatched Meta fairseq code-injection zero-days

1 source · 2 articlesFirst reported Updated ()
What's new

First merged summary.

Merged summary · x-ai/grok-4.7 · rewritten as coverage arrivesSummaries by Vani AI

ZDI disclosed two unpatched Meta fairseq code-injection flaws rated 7.8, both requiring a user to open a malicious page or file.

Trend Micro’s Zero Day Initiative published two zero-day advisories for Meta fairseq on the same day: ZDI-26-915 in FilterNamesDataset and ZDI-26-942 in rerank. Both are unpatched code-injection bugs that can let a remote attacker run arbitrary code if a user visits a malicious page or opens a malicious file. ZDI assigned each a CVSS score of 7.8. The published snippets state no CVE identifiers, affected versions, or fixes.

Key facts
  • ZDI-26-915 covers FilterNamesDataset code injection in Meta fairseq.
  • ZDI-26-942 covers a rerank code-injection flaw in Meta fairseq.
  • Both advisories are marked zero-day and rated CVSS 7.8.
  • Exploitation requires visiting a malicious page or opening a malicious file.
  • Snippets give no CVE, affected version, or fixed version.
Analyze this story with Vani AIImpact, who is affected and what defenders should do, in a new chat

Timeline

dated events in the reporting · oldest first
  1. Nov 11, 2026ZDI publishes two unpatched Meta fairseq zero-days · ZDI Published Advisories

What each outlet adds

beyond the shared facts
  • ZDI Published AdvisoriesNames both ZDI-26-915 and ZDI-26-942, components, and CVSS 7.8.
Vendors
Meta
Products
fairseq
Organizations
Zero Day Initiative

Coverage

oldest first · one row per article · UTC
  1. · 14h ago ZDI Published AdvisoriesFirst report

    Meta fairseq FilterNamesDataset flaw allows remote code execution

    ZDI rates the unpatched FilterNamesDataset code-injection bug 7.8; a user must open a malicious page or file.

  2. · 14h ago ZDI Published Advisories

    Meta fairseq rerank code injection enables remote code execution (ZDI-26-942)

    ZDI rates the unpatched fairseq flaw CVSS 7.8; a victim must open a malicious file or page.