{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63759", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-18T12:30:08.354Z", "datePublished": "2026-07-20T12:04:49.105Z", "dateUpdated": "2026-07-20T12:04:49.105Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-20T12:04:49.105Z"}, "datePublic": "2026-05-27T00:00:00.000Z", "title": "SurrealDB before 3.1.0 Denial of Service nested type annotations", "descriptions": [{"lang": "en", "value": "SurrealDB before 3.1.0 fails to enforce recursion depth limits in the type/kind parser when processing nested type annotations. Authenticated attackers can send queries with deeply nested type annotations to exhaust server memory and crash the process."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Uncontrolled Recursion", "cweId": "CWE-674", "type": "CWE"}]}], "affected": [{"vendor": "surrealdb", "product": "surrealdb", "defaultStatus": "unaffected", "packageURL": "pkg:cargo/surrealdb", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "3.1.0"}, {"version": "3.1.0", "status": "unaffected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q8qp-67f9-wr3f", "name": "GitHub Security Advisory (GHSA-q8qp-67f9-wr3f)", "tags": ["vendor-advisory"]}, {"name": "VulnCheck Advisory: SurrealDB before 3.1.0 Denial of Service nested type annotations", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-nested-type-annotations"}], "credits": [{"lang": "en", "value": "DarkaMaul", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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