CVE-2026-101769

Status: Awaiting AnalysisHigh (7)—

Severity7High · CVSS 3.1

Exploitation probability0.25 %higher than 16% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions that are affected are 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster as well as unauthorized update, insert or delete access to some of MySQL Cluster accessible data and unauthorized read access to a subset of MySQL Cluster accessible data. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H).

CVSS

Base score: 7
Version: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.25 %
Percentile among all scored CVEs: 16
Score date: 10/24/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access90 %
Primary impactT1499 Endpoint Denial of Serviceimpact90 %
Secondary impactT1213 Data from Information Repositoriescollection70 %
Secondary impactT1565 Data Manipulationimpact80 %

El vector AV:N/PR:N/UI:N indica explotación sin autenticación por red TCP; el texto describe DoS completo, modificación de datos y lectura parcial en MySQL Cluster.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Network Segmentation Filter Network Traffic Encrypt Sensitive Information Vulnerability Scanning User Training User Account Management

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Oracle — Mysql Cluster^AI

CWEs

CWE-284

References

Show 1 references

https://www.oracle.com/security-alerts/cpuoct2026.html

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-101769",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-101769",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-22T17:26:33.209805Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 4.7,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "MySQL Cluster",
          "versions": [
            {
              "status": "affected",
              "version": "26.7.0-26.7.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T22:18:32.290",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
      "source": "secalert_us@oracle.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General).  Supported versions that are affected are 26.7.0-26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise MySQL Cluster.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster as well as  unauthorized update, insert or delete access to some of MySQL Cluster accessible data and  unauthorized read access to a subset of MySQL Cluster accessible data. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H)."
    }
  ],
  "lastModified": "2026-10-22T18:17:21.290",
  "sourceIdentifier": "secalert_us@oracle.com"
}