← Incident database

voising-bi-2026 · Disclosed 2026-08-18

VOISING: unpatched BI tool data leakage

VOISING confirmed leakage of about 170,000 records via a BI vulnerability and reported that an available pre-intrusion patch had not been applied.

Known vulnerability

Outcome: Confirmed breach

Entry path and evidence

  • Reported fact

    A patch was available before unauthorized access but had not been applied.

    [s1]3. 発生原因
  • Reported fact

    VOISING reported about 170,000 confirmed leaked records.

    [s1]2. 影響範囲

Timeline

  1. Incident disclosed. [s1]

Reported response

  • Reported fact

    VOISING reported stopping BI, discarding and rebuilding the environment, and revoking and rotating API keys and credentials.

    [s1]4. 実施した対応

Evidence relevant to prevention

Patch available beforehand

Compare deployed BI versions with advisories and verify patch ownership and deadlines; limit exposure and accessible data.

Editorial assessment; not a determination of liability. [s1]

Unknowns and AI involvement

AI involvementUnknown

The cited sources do not establish attacker use of AI; absence of evidence is not evidence of absence.

BI product and CVE are undisclosed; proximity to another incident does not establish a shared product or vulnerability.

Sources

  1. [s1] VOISING · Primary source

    不正アクセスによる情報流出に関するご報告(第4報) ↗

    Published 2026-09-30 · Reviewed 2026-10-02