WASABI SWITCHNotice on unauthorized access 日本語

Last updated: Oct 17, 2026 01:12 JST

Incident response and recovery report

We will keep publishing the facts we have confirmed and the measures we have actually completed. Items under investigation are clearly distinguished from items confirmed safe.

Last updated: Oct 17, 2026 01:12 JST

Current status
The unauthorized access identified on October 14 and 16, 2026 has been traced and blocked. We are now investigating the scope and impact of the leaked information together with an external cybersecurity firm.
Next update

Scope of impact

Stores confirmed affectedUnder investigation

The scope of affected stores is being investigated with an external cybersecurity firm. We will publish the number of stores and details once confirmed.

Known secondary-fraud methods

Emails quoting leaked order information (order date, item, amount, delivery details, etc.) and asking recipients to contact a LINE account for an "out-of-stock refund" have been confirmed. They are sent from free email addresses unrelated to the stores.

Investigation status

The entry routes of both incidents (October 14 and 16) have been identified. The scope and impact of the leak are being investigated with an external firm.

Security improvements

Completed3
In progress3
Planned1

Security measures and safety checks →

Marketplace and service integrations

Marketplace / serviceStatusDetailsAction needed from stores
Rakuten IchibaSuspended

Suspended since October 17, 2026 following a notice from Rakuten Ichiba. Inventory, product and order synchronization will not take place. We are discussing how to connect during the suspension.

  • Please hold off on reissuing the API license key
  • Check inventory and orders directly in RMS
  • Make sure items sold on other marketplaces do not remain on sale on Rakuten Ichiba
futureshopSuspended

Since 17:40 on October 16, 2026, inventory, product and order synchronization has been suspended. We are discussing resumption with futureshop.

  • Check and adjust inventory directly in the futureshop admin panel to avoid overselling
  • Check orders in the futureshop admin panel
  • Please wait for our guidance before reissuing API keys

Other integrations

There is currently no suspension notice for the integrations below. If the situation changes, we will add them to the table above. Note that all WASABI SWITCH accounts have been temporarily deactivated since 18:00 on October 16 (see "For stores" for how to reactivate).

Rakuma, Yahoo! Shopping, Yahoo! Auctions, Mercari Shops, Amazon, au PAY Market, Jmty, Musbi, eBay, Shopee, Lazada, Chrono24, eLADY, Qoo10, Luxuness, Yahoo! Taiwan, WeChat, Walmart, THE LUXURY CLOSET, Vestiaire Collective, Catawiki, PopChill, 95, Into Archive, Shopify, SHOPLINE, Shopserve, EC-CUBE, SNKRDUNK, Sumasell, Bramo, FROM JAPAN, JOOM, DOKODEMO, LUXCLUSIF, BUYMA, MOLTS, Rakuichiban, m department, TikTok Shop, Coupang, Etsy

Support for customers and stores

Timeline of events and response

  1. Action
    Rakuten Ichiba integration temporarily suspended following a notice from Rakuten

    Rakuten asked that API license keys not be used until safety is fully ensured. We corrected our guidance and asked stores to hold off on reissuing keys.

  2. Published
    Published a request to reissue Rakuten Ichiba API license keys

    As a preventive measure, stores were asked to reissue their API license keys after deletion (later corrected).

  3. Published
    Published notice on the futureshop integration suspension
  4. Action
    All WASABI SWITCH accounts temporarily deactivated
  5. Action
    futureshop revokes API keys; integration suspended

Timeline →

Information not yet disclosed

Information that could be exploited by attackers, such as technical details of the entry routes, or that could affect the investigation, is being withheld for now. We will publish it as soon as it becomes possible.

Schedules and estimates in this report do not guarantee when the investigation or recovery will be completed.