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Meta FAIRChem OMolRunner deserialization flaw allows remote code execution

Original title: ZDI-26-800: Meta FAIRChem OMolRunner Deserialization of Untrusted Data Remote Code Execution Vulnerability

ZDI Published Advisories ()1
Part of a story covered by 17 sourcesZDI publishes 10 Meta FAIRChem untrusted-data RCE advisoriesMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

ZDI-26-800 rates the OMolRunner issue 7.8 and requires a user to open malicious content.

ZDI published ZDI-26-800 for a deserialization-of-untrusted-data vulnerability in Meta FAIRChem’s OMolRunner component. Remote attackers can execute arbitrary code only after a user visits a malicious page or opens a malicious file. ZDI assigned CVSS 7.8. No versions, patch, or attack activity are given.

Unconfirmed: Affected versions, a fix, and any exploitation are not stated.

Key facts
  • The issue is tracked as ZDI-26-800.
  • ZDI assigned a CVSS rating of 7.8.
  • The user must visit a malicious page or open a malicious file.
  • The named component is OMolRunner.
Security assessment · AI, from the article

Impact: Remote arbitrary code execution after user interaction

ProductAffected
Meta FAIRChem OMolRunner—
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From the original article

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Meta FAIRChem. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.

ZDI Published Advisories

zerodayinitiative.com

Read the full article at ZDI Published Advisories

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.