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TI-2026-78104 Aliases CVE-2026-101804GHSA-4r6f-vhqr-72fj

Access control flaw in Oracle MySQL Connector/ODBC causes partial DoS

Priority LOW 12CWE-284Published · Updated

Key facts

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

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

Summary

Oracle MySQL Connectors, component Connector/ODBC, is affected in version 26.7.1. An access control weakness (CWE-284) lets an unauthenticated attacker who can log on to the infrastructure where MySQL Connectors runs cause a partial denial of service. The attack is difficult and requires a person other than the attacker to interact with the system.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC). The supported version that is affected is 26.7.1. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Connectors executes to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.1 Base Score 2.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00113 1st 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 Connectors26.7.1—No fix listedCNA
  • MySQL Connectors VendorOracle Affected 26.7.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MySQL Connectors.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Fixed in the same release

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

  • Advisory ·

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

    8 records Highest priority Priority LOW 8 LOW

    Other records, highest priority first

    • TI-2026-77114 Missing authentication in Oracle MySQL Connector/PythonPriority LOW 39
    • TI-2026-78068 Improper access control in Oracle MySQL Connectors enables takeoverPriority LOW 38
    • TI-2026-78106 Improper access control in Oracle MySQL Connectors ODBC componentPriority LOW 32
    Show all 8 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101804
  2. 2026-10-21 Alias added: GHSA-4r6f-vhqr-72fj
  3. 2026-10-22 Weakness changed · CISA ADP
  4. 2026-10-22 CISA SSVC decision points changed
  5. 2026-11-03 Affected versions changed · Red Hat
  6. 2026-11-03 CVSS score added · Red Hat

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