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TI-2026-77114 Aliases CVE-2026-83404GHSA-gfw7-4h88-ghjm

Missing authentication in Oracle MySQL Connector/Python

Priority LOW 39CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Oracle MySQL Connectors, component Connector/Python, version 26.7.0 is affected. The flaw is missing authentication for a critical function (CWE-306). An unauthenticated remote attacker with network access can compromise MySQL Connectors, gaining unauthorized access to critical data that the connectors can reach.

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

Description from the CNA

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/Python). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00388 33rd percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 Connectors26.7.0—No fix listedCNA
  • MySQL Connectors VendorOracle Affected 26.7.0 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 · 2026-10-28

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-2026-78068 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
    • TI-2026-77933 Improper access control in Oracle MySQL Connector/NetPriority LOW 26
    Show all 8 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-83404
  2. 2026-10-21 Alias added: GHSA-gfw7-4h88-ghjm
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-27 Weakness changed · CISA ADP
  5. 2026-10-27 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