{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49316", "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "state": "PUBLISHED", "assignerShortName": "ASRG", "dateReserved": "2026-05-29T07:26:43.198Z", "datePublished": "2026-05-29T12:39:23.104Z", "dateUpdated": "2026-05-29T15:26:58.445Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "shortName": "ASRG", "dateUpdated": "2026-05-29T12:39:23.104Z"}, "title": "Indian Scout Bobber 2025 WCM CAN bus-off attack silently bypasses anti-theft shutdown", "datePublic": "2026-05-29T15:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-440", "description": "CWE-440 Expected Behavior Violation", "type": "CWE"}, {"lang": "en", "cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions", "type": "CWE"}, {"lang": "en", "cweId": "CWE-693", "description": "CWE-693 Protection Mechanism Failure", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Obstruction"}]}, {"descriptions": [{"lang": "en", "value": "Software Integrity Attack"}]}], "affected": [{"vendor": "Indian Motorcycle (Polaris Inc.)", "product": "Scout Bobber + Tech", "platforms": ["OEM Motorcycle"], "modules": ["Wireless Control Module (WCM)"], "versions": [{"status": "affected", "version": "2025", "versionType": "model-year"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "Expected behavior violation in the in-vehicle network of the Indian Motorcycle Scout Bobber + Tech 2025 model year allows an adjacent-network attacker to bypass the motorcycle's anti-theft shutdown by forcing the Wireless Control Module (WCM) into the CAN bus-off state. Using a well-known CAN error-frame injection technique against a periodic WCM transmission, the attacker drives the WCM CAN controller's transmit error counter past the bus-off threshold, after which the WCM stops transmitting all messages, including the shutdown command. Peer ECUs do not interpret WCM silence as a security event and continue normal operation, allowing the motorcycle to be operated despite the immobilizer never having been unlocked. Specific protocol details have been withheld pending vendor remediation.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Expected behavior violation in the in-vehicle network of the Indian Motorcycle Scout Bobber + Tech 2025 model year allows an adjacent-network attacker to bypass the motorcycle's anti-theft shutdown by forcing the Wireless Control Module (WCM) into the CAN bus-off state. 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{"affected": [{"configurations": [{"platform": ["oem_motorcycle"], "status": "affected", "versions": {"scheme": "generic", "value": "2025"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Scout Bobber + Tech", "source": "cna", "vendor": "Indian Motorcycle (Polaris Inc.)"}, "product": "scout_bobber_+_tech", "vendor": "indian_motorcycle"}], "created": "2026-05-29T15:46:35.814638+00:00", "updated": "2026-05-29T16:00:15.768597+00:00", "vendors": ["indian_motorcycle", "indian_motorcycle$PRODUCT$scout_bobber_+_tech"]}