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.
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Fixes

Solution

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Workaround

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History

Tue, 03 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
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.
Title FastBee through 2.1.0 IDOR via /iot/product By-ID Endpoints
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-03T16:41:09.250Z

Reserved: 2026-11-03T14:46:16.668Z

Link: CVE-2026-121556

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-03T16:17:27.970

Modified: 2026-11-03T16:17:28.113

Link: CVE-2026-121556

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses