CVE-2026-121556

HighCVSS 8.3/10Last modified Nov 3, 2026

Description

FastBee through 2.1.0 contains an insecure direct object reference vulnerability in ProductController that allows authenticated tenant users to access other tenants' products by supplying their product IDs. Attackers can enumerate sequential product IDs to read MQTT account, password, and secret values, overwrite product configuration including tenant_id, or delete products with cascading rows.

Metrics

CVSS 3.1 8.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

CWE-639

Affected software

Vendor	Product	Versions
beecue	FastBee	<= 2.1.0

References

Timeline

Published: Nov 3, 2026
Last modified: Nov 3, 2026
NVD status: Deferred

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