Investigating

CAMPFIRE: data of 225,846 unique users may have leaked after GitHub-origin intrusion

Possible data leak: After disclosing a GitHub-credential-origin intrusion from early April, a April 24 update reported DB-access traces and 225,846 unique people in scope. No card data.

Last updated: 2026-11-09

Overview

Unique count 225,846 (owner/supporter/partner category counts are subsets and not added). Name, address, phone, email and bank details among fields.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

What you can do

Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.

Sources

  1. 【重要】弊社システムへの不正アクセスによる個人情報漏えいの可能性に関するお詫びとご報告株式会社CAMPFIRE · 2026-11-09
  2. 【重要】弊社システムへの不正アクセスによる個人情報漏えいの可能性に関するお詫びとご報告株式会社CAMPFIRE · 2026-11-09

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