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TI-2026-78069 Aliases CVE-2026-101769GHSA-8g58-crm6-fgqw

Improper access control in Oracle MySQL Cluster

Priority LOW 31CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Oracle MySQL Cluster versions 26.7.0-26.7.1 are affected by an improper access control flaw (CWE-284) in the Cluster General component. A remote unauthenticated attacker with TCP network access can exploit it, although exploitation is difficult. Successful attacks can cause a hang or repeatable crash of MySQL Cluster, and allow some unauthorized data changes and reads of a subset of its accessible data.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleMySQL Cluster26.7.0-26.7.1—No fix listedCNA
  • MySQL Cluster VendorOracle Affected 26.7.0-26.7.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MySQL Cluster.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle MySQL Cluster — oracle.com/security-alerts/cpuoct2026.html

    81 records Highest priority Priority MEDIUM 1 MEDIUM, 80 LOW

    Other records, highest priority first

    • TI-2026-78081 Improper access control in MySQL Server Group Replication GCSPriority MEDIUM 40
    • TI-2026-77982 Denial of service in Oracle MySQL Server and MySQL Cluster client programsPriority LOW 39
    • TI-2026-78070 Improper access control in Oracle MySQL Server and MySQL ClusterPriority LOW 38
    Show all 81 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101769
  2. 2026-10-21 Alias added: GHSA-8g58-crm6-fgqw
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-22 Weakness changed · CISA ADP
  5. 2026-10-22 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
See all 14200 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences