{"id":"CVE-2026-111654","revision":"e276c0d4e0e643228640121ae8ac9f33","records":[{"revision":"e276c0d4e0e643228640121ae8ac9f33","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111654","aliases":[],"title":"FastBee through 2.1.0 IDOR via /iot/group By-ID Endpoints","description":"FastBee through 2.1.0 contains an insecure direct object reference vulnerability that allows authenticated low-privilege users to access other users' device groups because GroupController queries lack owner checks. Attackers, including self-registered users, can supply sequential group IDs to read, overwrite, reassign, rewrite device associations of, or delete other users' groups.","state":0,"publishedAt":"2026-10-16T17:39:20.715+00:00","modifiedAt":"2026-10-21T20:53:32.854+00:00","affected":[{"ecosystem":"Vendor product","name":"FastBee","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"kerwincui\",\n                    \"product\": \"FastBee\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"2.1.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/kerwincui/FastBee\",\n                    \"repo\": \"https://github.com/kerwincui/FastBee\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","score":6.3,"severity":"MEDIUM"}],"references":["https://hackmd.io/@hieuPenguinnn/fastbee-device-group-cross-user-idor","https://github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-open-api/src/main/java/com/fastbee/data/controller/GroupController.java#L70-L137","https://github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/GroupServiceImpl.java#L37-L143","https://github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/GroupMapper.xml#L36-L109","https://www.vulncheck.com/advisories/fastbee-through-2.1.0-idor-via-iot-group-by-id-endpoints"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111654","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111654","identifiers":["CVE-2026-111654"]},"retained":false,"historicalAffected":[]}],"coverage":[]}