Costco Data Breach 2026 — Are You Affected?

Costco data has appeared in multiple breach reports and class action lawsuits over the past decade. Here's the status of Costco data breach class actions in 2026 and how to check if you're affected.

Which Costco data has been compromised historically?

• Costco.com website tracking pixel (2023-2024) — allegations that Costco's site shared shopping data with Facebook/Meta without consent
• Costco Pharmacy data (2016+) — recurring privacy class actions
• Costco Kirkland Signature quality data — related to product mislabeling
• Third-party breach passthrough — Costco vendor breaches exposing member data

Active Costco class actions in 2026

• Website tracking pixel class actions (pixel-tracking to Meta)
• California Consumer Privacy Act (CCPA) related classes
• Costco+ auto-renewal disclosure classes (California/Oregon/Washington)

Am I potentially affected?

If you are a Costco member and:

• Shopped Costco.com during 2023-2024 → possible pixel class member
• Filled a prescription at Costco Pharmacy → possible pharmacy privacy class member
• Have a Costco account with saved payment info → possible California CCPA class member

How much do Costco class actions typically pay?

• Pixel/tracking cases: $10-$100 per class member
• CCPA cases: statutory damages $100-$750 per California resident
• Auto-renewal cases: $3-$25 per class member

Get Costco settlement alerts

Class Action Buddy tracks Costco class actions daily. See our Costco class action guide.