PAPYLESS: suspected unauthorized access; Renta! suspended
On October 19, Papyless disclosed that it identified possible external unauthorized access to Renta!'s servers on October 18 and suspended the e-book service for emergency maintenance. Successful intrusion and personal-data leakage were not confirmed; details, impact and reopening timing were under investigation. The initial October 18 announcement described maintenance without identifying a security incident.
Every organization listed paused its services as a precaution; none is listed as hit.
Disclosed
2026-10-19
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
Timeline
- Detected 2026-10-18
- Disclosed 2026-10-19
- 1 days
Attack or cause
- Method
- [Unknown]
- Impact
- [Service outage]
- Entry point
- Unknown
Data exposed or at risk
–
Services hit
Organizations involved
[Precautionary halt][Moderate]Tokyo, ChiyodaInformation and communications
PAPYLESS Co., Ltd.Investigating possible server access; successful intrusion and leakage unconfirmed.
Sources
- [1][Official]当社が運営する電子書籍販売サイト「Renta!」のサービス一時停止に関するお知らせPAPYLESS · 2026-10-19
- [2][News]「Renta!」停止は「不正アクセスの可能性」のためITmedia NEWS · 2026-10-19