{"schema":"threatline.record/2","record":{"id":"CVE-2026-111654","aliases":[],"summary":"FastBee through 2.1.0 IDOR via /iot/group By-ID Endpoints","details":"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.","categories":["Unclassified"],"product":"FastBee","vendor":"kerwincui","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111654","source_modified_at":"2026-10-21T20:53:32.854Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"FastBee","vendor":"kerwincui","versions":[{"version":"0","lessThanOrEqual":"2.1.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00252,"percentile":0.15751,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:39:20.715Z","modified_at":"2026-10-21T20:53:32.854Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111654","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T20:53:32.854Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111654","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@hieuPenguinnn/fastbee-device-group-cross-user-idor","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-open-api/src/main/java/com/fastbee/data/controller/GroupController.java#L70-L137","tags":["technical-description"]},{"source":"CVE List","url":"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","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/GroupMapper.xml#L36-L109","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/fastbee-through-2.1.0-idor-via-iot-group-by-id-endpoints","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-21T20:53:09.167037Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T20:53:32.854Z","content_hash":"09a2498ef03198145aa55fb38cc9d2707f8962480a9606e734932802c07b97ab"}}