Meta has re-enabled the sharing of 'artifacts' within its Muse platform after security researchers identified that public links to these items could be easily discovered.
Researchers from Claroc reported earlier this week that the web addresses for shared conversations were named after the conversation’s title and registered in public DNS, creating a security risk.
These vulnerabilities allowed sensitive information to be found with minimal effort, including a marketing company's internal revenue review and a small business owner's loan application.
Following the publication of these findings in reports to Ars Technica, Meta paused the sharing feature to address the potential exposure of user data.
On X, Meta's Chief Technology Officer David Singleton announced that the underlying issue has been resolved and sharing is now active.
Singleton clarified that the flaw specifically pertained to URLs for shared artifacts, such as documents and images, rather than general chat sharing.
He stated, "The underlying issue is now fixed, and sharing is back on."
Users who shared an artifact before the fix will be assigned a new URL, and visitors to the old link will see a note directing them to request the updated link from the original sharer.
Singleton expressed regret for the disruption, emphasizing that protecting user data is the company's primary concern.
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