CVE-2026-119648: TencentBlueKing bk-cmdb

Affected products, as the CNA wrote them
Vendor	Product	Versions
TencentBlueKing	bk-cmdb	affected 3.14.6 and earlier semver Other versions: unaffected

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
4.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0029, the 21st percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

30 Oct 2026, 14:16 UTC Confirmed by the CVE List
30 Oct 2026, 15:16 UTC Confirmed by NVD

Sources

References from the CNA

github.com/TencentBlueKing/bk-cmdb/issues/8709 issue-tracking
github.com/TencentBlueKing/bk-cmdb/blob/release-v3.14.6/src/scene_server/host_server/service/host.go#L605-L620 technical-description
github.com/TencentBlueKing/bk-cmdb/blob/release-v3.14.6/src/ac/parser/host.go#L797-L819 technical-description
github.com/TencentBlueKing/bk-cmdb/blob/release-v3.14.6/src/scene_server/host_server/logics/hostsearch.go#L36-L72 technical-description
hackmd.io/@hieuPenguinnn/bk-cmdb-host-search-asstdetail-cross-business-missing-authz third-party-advisory
github.com/TencentBlueKing/bk-cmdb product
www.vulncheck.com/advisories/blueking-cmdb-through-3.14.6-missing-authorization-via-api-v3-hosts-search-asstdetail third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.