Auth bypass in Zhimaai Chatwiki

CVE-2026-124027

ChatWiki before 2.10.0 contains a missing authentication vulnerability in the GET /manage/getLibRawFileOnePage route that allows unauthenticated attackers to read other tenants' documents. Attackers can enumerate sequential admin_user_id and file id query parameters, bypassing the ownership check, to retrieve PDF-rendered pages of any tenant's knowledge-base documents.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-124027?
CVE-2026-124027 is a high-severity vulnerability in Zhimaai Chatwiki, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-11-06.
How severe is CVE-2026-124027?
High severity. CVSS v3 base score is 7.5 out of 10.