CVE-2026-121423 (GCVE-0-2026-121423)
Vulnerability from cvelistv5
Published
2026-11-03 14:28
Modified
2026-11-03 14:28
CWE
Summary
SurrealDB before 3.3.0 contains an unbounded recursion vulnerability that allows authenticated users to abort the surreald process by triggering stack overflow on deeply nested values. Attackers can repeatedly run UPDATE statements wrapping a stored array in itself, then SELECT or EXPORT it, causing persistent denial of service for all tenants.
Impacted products
Vendor Product Version
surrealdb surrealdb Version: 0   ≤
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Show details on NVD website


{
  "containers": {
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      "affected": [
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          "defaultStatus": "unaffected",
          "packageURL": "pkg:cargo/surrealdb",
          "product": "surrealdb",
          "vendor": "surrealdb",
          "versions": [
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              "lessThan": "3.3.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
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              "version": "3.3.0",
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      "cpeApplicability": [
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          "nodes": [
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          "type": "reporter",
          "value": "manus-use"
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      ],
      "datePublic": "2026-10-19T00:00:00.000Z",
      "descriptions": [
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          "value": "SurrealDB before 3.3.0 contains an unbounded recursion vulnerability that allows authenticated users to abort the surreald process by triggering stack overflow on deeply nested values. Attackers can repeatedly run UPDATE statements wrapping a stored array in itself, then SELECT or EXPORT it, causing persistent denial of service for all tenants."
        }
      ],
      "metrics": [
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "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",
            "version": "4.0",
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            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-674",
              "description": "Uncontrolled Recursion",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-03T14:28:19.376Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-rpmq-gq3f-h6jg)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/surrealdb/surrealdb/security/advisories/GHSA-rpmq-gq3f-h6jg"
        },
        {
          "name": "VulnCheck Advisory: SurrealDB before 3.3.0 DoS via Unbounded Recursion in val::Value Serialization",
          "tags": [
            "third-party-advisory"
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          "url": "https://www.vulncheck.com/advisories/surrealdb-before-3.3.0-dos-via-unbounded-recursion-in-val-value-serialization"
        }
      ],
      "title": "SurrealDB before 3.3.0 DoS via Unbounded Recursion in val::Value Serialization",
      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-121423",
    "datePublished": "2026-11-03T14:28:19.376Z",
    "dateReserved": "2026-11-03T12:29:41.359Z",
    "dateUpdated": "2026-11-03T14:28:19.376Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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