CarGurus data breach: 12.5M accounts exposed
Severity: medium · Patch status: no-fix-needed · Since 2026-02-22
In February 2026, the automotive marketplace CarGurus was the target of a data breach attributed to the threat actor ShinyHunters. Following an attempted extortion, the data was published publicly and contained more than 12M email addresses across multiple files including user account ID mappings, finance pre-qualification application data and dealer account and subscription information. Impacted data also included names, phone numbers, physical and IP addresses, and auto finance application outcomes. Exposed data: email addresses, ip addresses, names, phone numbers, physical addresses. The breach dates from Feb 14, 2026; Have I Been Pwned loaded it on Feb 22, 2026.
What to do
- If you had a CarGurus account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
All live incidents on Threat Watch