Investigating

CINRA JOB: vulnerability-driven intrusion may have exposed 21,508 members’ data

Unauthorized access to CINRA JOB disclosed Aug 27, 2026. Final report: a program vulnerability let attackers obtain credentials; 21,508 members (incl. withdrawn) may be in scope (name, DOB, sex, address, etc.); no confirmed misuse.

Last updated: 2026-11-09

Overview

21,508 people.

Timeline

UnknownOccurred
2026-08-18Discovered
2026-08-27Disclosed

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

求人サービス「CINRA JOB」への不正アクセスによる個人情報漏えいのおそれに関する調査結果のご報告（最終報告）株式会社CINRA · 2026-11-09
求人サービス「CINRA JOB」への不正アクセスによる個人情報漏えいのおそれに関するお知らせとお詫び（第一報）株式会社CINRA · 2026-11-09

CINRA JOB: vulnerability-driven intrusion may have exposed 21,508 members’ data

Overview

Timeline

Organization response

What you can do

Sources

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