# CVE-2026-124027: ChatWiki missing authentication in file retrieval endpoint

Source: https://junglewise.ai/threats/cve-2026-124027-chatwiki-before-2-10-0-contains-a-missing-authentication  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-06. Updated: 2026-11-06  
License: CC BY 4.0 with a link back

CVE-2026-124027 · Severity: high · CVSS 7.5 · Published 2026-11-06

ChatWiki is an AI knowledge base and workflow automation platform that manages documents and knowledge bases for organizations. A missing authentication vulnerability in the file retrieval endpoint allows unauthenticated attackers to enumerate and download PDF-rendered pages from other organizations' knowledge bases by guessing sequential identifiers. This enables unauthorized access to confidential business documents and knowledge base content.

Technologies: [zhimaAi ChatWiki](https://junglewise.ai/threats/technologies/zhimaai-chatwiki). Vendors: [zhimaAi](https://junglewise.ai/threats/vendors/zhimaai).

## Quick answers

**Is CVE-2026-124027 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-124027 being exploited in the wild.

**How severe is CVE-2026-124027?** High severity, with a CVSS score of 7.5, published 6 November 2026.

**Which products and versions are affected?** zhimaAi ChatWiki before 2.10.0.

**Is there a fix for CVE-2026-124027?** Yes: fixed in ChatWiki 2.10.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-124027 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-124027?** Check whether you run zhimaAi ChatWiki at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in ChatWiki 2.10.0

## Technical details

The GET /manage/getLibRawFileOnePage endpoint lacks authentication checks, allowing unauthenticated access to retrieve PDF-rendered document pages. Attackers can enumerate sequential admin_user_id and file_id parameters to bypass ownership checks and access any tenant's knowledge-base documents across the multi-tenant platform. No authentication or authorization validation is performed before returning sensitive document content.

## Affected products

- zhimaAi ChatWiki before 2.10.0

## Timeline

- 2026-11-06: disclosed

## References

- [https://github.com/zhimaAi/chatwiki](https://github.com/zhimaAi/chatwiki)
- [https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/lib_file.go](https://github.com/zhimaAi/chatwiki/blob/v2.9.6/internal/app/chatwiki/business/manage/lib_file.go)

## Related threats

- [ChatWiki insecure direct object reference in form field handlers](https://junglewise.ai/threats/cve-2026-123782-chatwiki-before-2-10-0-contains-an-insecure-direct-object)
- [ChatWiki insecure direct object reference in fast command management](https://junglewise.ai/threats/cve-2026-123624-chatwiki-before-2-10-0-contains-an-insecure-direct-object)