High severity8.3NVD Advisory· Published Nov 3, 2026· Updated Nov 3, 2026
CVE-2026-121556
CVE-2026-121556
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.
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Affected products
1Patches
Vulnerability mechanics
References
6- github.com/beecue/FastBee/commit/3393e3223965a9dc9682dfb2bd37635fffa0fbd2nvd
- github.com/beecue/FastBee/issues/32nvd
- github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-open-api/src/main/java/com/fastbee/data/controller/ProductController.javanvd
- github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/ProductServiceImpl.javanvd
- github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/ProductMapper.xmlnvd
- www.vulncheck.com/advisories/fastbee-through-2.1.0-idor-via-iot-product-by-id-endpointsnvd
News mentions
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