JCPenney data breach: 368K accounts exposed
Severity: medium · Patch status: no-fix-needed · Since 2026-06-20
In June 2026, retailer JCPenney and associated brands were targeted in a ShinyHunters "pay or leak" extortion campaign. Data allegedly obtained from JCPenney through the exploitation of a critical zero-day vulnerability in Oracle PeopleSoft was later published publicly. The exposed records indicated they primarily related to internal HR systems and impacted current and former employees. The data included 368k corporate and personal email addresses, names, dates of birth, Social Security numbers, phone numbers and home addresses. Exposed data: dates of birth, email addresses, government issued ids, job titles, names, phone numbers, physical addresses, usernames. The breach dates from Jun 12, 2026; Have I Been Pwned loaded it on Jun 20, 2026.
What to do
- If you had a JCPenney 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
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