Incident

ShinyHunters Claims Theft of 1.7 Million CarGurus Records via SSO Vishing


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 ShinyHunters ransomware group claims data breach on CarGurus, an online automotive marketplace. 

The group allegedly gained access on February 13, 2026, using voice phishing to trick employees into providing single-sign-on (SSO) codes for platforms including Okta, Microsoft Entra, and Google. 

The hackers claim the stolen data includes:

  • Personally identifiable information (PII)
  • Internal corporate documents
  • Employee records
  • Technical data and potentially source code

The group claims 1.7 million records were stolen. The number of affected individuals is not disclosed. 

CarGurus has not issued a formal public statement  The group set a deadline of February 20, 2026, for the company to negotiate, threatening to leak the data .

Update - as of 22nd of February 2026, Have I Been Pwned reports that 12.5 million CarGurus accounts were compromised in the incident.

ShinyHunters Claims Theft of 1.7 Million CarGurus Records via SSO Vishing