{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40007", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-04-08T08:42:31.995Z", "datePublished": "2026-07-10T07:12:29.926Z", "dateUpdated": "2026-07-10T07:12:29.926Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache IoTDB", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "2.0.10", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "bugbunny.ai"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Uncontrolled Recursion, Uncontrolled Resource Consumption vulnerability in Apache IoTDB.<br><span style=\"background-color: rgb(255, 255, 255);\">When pipe_air_gap_receiver_enabled=true, the IoTDB AirGap receiver's\nreadLength method calls itself recursively each time it recognises the\nE-language prefix in socket data, with no depth limit. An unauthenticated\nattacker can send a stream of repeated E-language prefixes that drives the\nrecursion arbitrarily deep, exhausting the receiver thread's JVM stack and\nraising StackOverflowError.</span><br></p><p>This issue affects Apache IoTDB: from 1.0.0 before 2.0.10.</p><p>Users are recommended to upgrade to version 2.0.10, which fixes the issue.</p>"}], "value": "Uncontrolled Recursion, Uncontrolled Resource Consumption vulnerability in Apache IoTDB.\nWhen pipe_air_gap_receiver_enabled=true, the IoTDB AirGap receiver's\nreadLength method calls itself recursively each time it recognises the\nE-language prefix in socket data, with no depth limit. An unauthenticated\nattacker can send a stream of repeated E-language prefixes that drives the\nrecursion arbitrarily deep, exhausting the receiver thread's JVM stack and\nraising StackOverflowError.\n\n\nThis issue affects Apache IoTDB: from 1.0.0 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue."}], "metrics": [{"other": {"content": {"text": "moderate"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-674", "description": "CWE-674 Uncontrolled Recursion", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-07-10T07:12:29.926Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/tr23kh6kp8drrsv8ypv1mqm4v5kyy23m"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache IoTDB: Unauthenticated unbounded recursion in IoTDB AirGap receiver's E-language prefix parser causes per-connection StackOverflowError", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.0,2.0.10)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache IoTDB", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "iotdb", "vendor": "apache"}], "created": "2026-07-10T09:54:46.666070+00:00", "updated": "2026-07-10T09:54:46.666128+00:00", "vendors": ["apache", "apache$PRODUCT$iotdb"]}