Mercor.io (LiteLLM) Reports Data Breach to Washington State
Mercor.io, operating its LiteLLM platform, filed a data breach report in Washington State on June 26, 2026, indicating an incident that exposed various sensitive data types. The breach involved information potentially including full names, email addresses, and critical system credentials. Affected individuals should review their account security and monitor for unauthorized activity.
- State
- Washington
- Reported
- June 26, 2026
What may have been exposed
- Full Name
- Email Address
- Password or Credential Hash
- API Keys and Access Tokens
- Administrative Credentials
- Mailing Address
- Internal System Logs
- Payment Card Information
Mercor.io, the operator of the LiteLLM platform, officially reported a data security incident on June 26, 2026. This report was filed with the Washington Attorney General, initiating a public record of the event. The investigation into the incident is currently listed as monitoring.
As a provider of AI infrastructure and API routing, Mercor.io handles extensive corporate data, software developer credentials, and system access logs. Its services facilitate large language model integration, often requiring deep access to client networks and internal digital assets, which makes data security paramount.
The reported breach exposed several categories of sensitive information. These include Full Name, Email Address, Password or Credential Hash, API Keys and Access Tokens, Administrative Credentials, Mailing Address, Internal System Logs, and Payment Card Information. The exposure of API keys and administrative credentials can pose significant risks, potentially allowing unauthorized access to associated systems or accounts.
Given the nature of the exposed data, individuals and entities potentially affected by this incident should take immediate steps to secure their digital presence. It is highly recommended to change passwords for any Mercor.io or LiteLLM related accounts, as well as any other online accounts where similar credentials may have been used. Enabling multi-factor authentication (MFA) on all available services adds an essential layer of security.
Monitoring account activity for any unusual or unauthorized transactions or access attempts is also a critical step. Regularly reviewing financial statements and security notifications from service providers can help identify and mitigate potential risks stemming from compromised data. These general precautions are advisable for anyone who might have had their information involved in this incident.
What to do if you were affected
Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.
Watch your financial accounts
Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.
Secure your online accounts
Change the password on any account that reused an exposed password and turn on two-factor authentication wherever it's offered.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Mercor.io breach filing: questions and answers
- Where can I see the official Mercor.io breach notice?
- Mercor.io's report is published by the Washington Attorney General: https://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM24486.pdf Compare it with the letter you received to confirm the dates and details match.
- How many people were affected by the Mercor.io data breach, and what was exposed?
- The filing does not give a count of affected people and lists the following information as involved: Full Name, Email Address, Password or Credential Hash, API Keys and Access Tokens, Administrative Credentials, Mailing Address, Internal System Logs, Payment Card Information. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
- Is there a Mercor.io data breach class action lawsuit?
- Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Mercor.io. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
- Is the Mercor.io data breach letter legit or a scam?
- A notice from Mercor.io in the mail matches the breach Mercor.io reported to the Washington Attorney General on June 26, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Mercor.io through a phone number or website you find yourself.
- Can I sue Mercor.io over the data breach?
- It depends on what was exposed, the law in Washington and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
- How much could a Mercor.io data breach settlement or claim be worth?
- There is no set amount, and no Mercor.io settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. The filing lists Full Name, Email Address, Password or Credential Hash as involved. Keep receipts and records; they're what damages claims are built on.
- Did Mercor.io offer free credit monitoring?
- Look for an enrollment code in your Mercor.io notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Because financial or account details are listed in this filing, watch your bank and card statements closely as well. Using the free service won't stop you from joining a lawsuit or settlement later.
- Do I need a Mercor.io data breach lawyer or attorney?
- An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
- What should I do after getting the Mercor.io data breach notice?
- Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
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