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Tell HN: Notion AI chat sessions have been exposed via Fireworks AI hack

Article news.ycombinator.com

Tell HN: Notion AI chat sessions have been exposed via Fireworks AI hack

Only an email so far, nothing official I could find. I figure if you didn't get this email you are ok.

---

We are writing to inform you of a security incident at one of our vendors, Fireworks AI, that may impact you. For the latest on the Fireworks AI incident, see their official updates here.

Following an investigation by the Notion security team, we have determined that your workspace, [...], was among the <1% of Notion workspaces that may have been affected by the Fireworks security incident. Some unattributable chat sessions with Notion AI may have been exposed in this incident. “Unattributable” means the chats weren't labeled with who wrote them or which workspace they came from, and the transcripts did not contain tool call results. Beyond what’s in the chat transcript itself, there’s no information tying the chat back to your workspace, users, or company. No other data from within your workspace is affected.

This email explains what happened, what data of yours might be affected, what we’re doing to address this, and what we recommend to protect your data from this Fireworks AI incident.

What is Fireworks AI and how we used them: Fireworks is one of the most used global AI infrastructure platforms powering tens of thousands of customers and used by hundreds of thousands of developers. We used Fireworks for classification jobs to help customers understand their own AI usage through a feature in Notion called Insights, and we used them as a general inference provider to serve open-weight models inside our product. The Insights feature has been disabled as we investigate this incident, and we are no longer serving open-weight models through Fireworks.

What happened and how we addressed it: We learned from Fireworks about potential incidents earlier this month, and we shut down all connections to their systems out of an abundance of caution.

On November 6, Fireworks notified us that malicious actors may have accessed potential customer data. Our team immediately began another internal investigation. On November 8, Fireworks confirmed this new dataset for us.

Upon analysis of the new data, we discovered that it included unattributable Notion AI chat transcripts used for the Insights feature. Chats weren't labeled with who wrote them or which workspace they came from, and the transcripts did not contain any tool call results. Beyond the words in the chat transcripts themselves, the data contained no information that could specifically identify your workspace, users, or company.

No other Notion data from your workspace is affected, and we continue to monitor this incident.

Recommended next steps for you: You can retrieve and review the impacted data securely inside your workspace. See below:

- [...]

We recommend that you treat this data as if it were exposed. If anyone on your team might have pasted sensitive information into chats in Notion AI like passwords, API keys, or other credentials during this timeframe, please rotate them now.

You trust us with your life's work in Notion, and that trust covers every partner we choose. In this critical time for global security, it is our mission to raise the standard for how your data is protected. You have our uncompromising commitment.

---

I downloaded the dataset and it's a full chat for me.

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