# CVE-2026-119648: Tencent BlueKing CMDB missing authorization vulnerability

Source: https://junglewise.ai/threats/cve-2026-119648-tencent-blueking-cmdb-bk-cmdb-through-3-14-6-contains-a-missing  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-30. Updated: 2026-10-30  
License: CC BY 4.0 with a link back

CVE-2026-119648 · Severity: medium · CVSS 4.3 · Published 2026-10-30

Tencent BlueKing CMDB is a configuration management platform for enterprise assets and applications. An authenticated user can bypass authorization checks on the host search endpoint to retrieve host details and topology information belonging to other business units, gaining unauthorized visibility into infrastructure they should not access.

Vendors: [Tencent](https://junglewise.ai/threats/vendors/tencent).

## Quick answers

**Is CVE-2026-119648 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-119648 being exploited in the wild.

**How severe is CVE-2026-119648?** Medium severity, with a CVSS score of 4.3, published 30 October 2026.

**Which products and versions are affected?** Tencent BlueKing CMDB through 3.14.6.

**Is there a fix for CVE-2026-119648?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-119648 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-119648?** Check whether you run Tencent BlueKing CMDB 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.

## Technical details

The vulnerability is a missing authorization check in the POST /api/v3/hosts/search/asstdetail endpoint, where the route is mapped to SkipAction and the SearchHostWithAsstDetail handler omits the AuthorizeSearchHost validation. An authenticated attacker can submit search conditions targeting other businesses or omitting business filters to retrieve host attributes and association details, exploiting insufficient access controls at the business unit level.

## Affected products

- Tencent BlueKing CMDB through 3.14.6

## Timeline

- 2026-10-30: disclosed

## References

- [https://github.com/TencentBlueKing/bk-cmdb](https://github.com/TencentBlueKing/bk-cmdb)
- [https://github.com/TencentBlueKing/bk-cmdb/blob/release-v3.14.6/src/ac/parser/host.go](https://github.com/TencentBlueKing/bk-cmdb/blob/release-v3.14.6/src/ac/parser/host.go)