Improper access control in Oracle MySQL Connector/Net
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- 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-284.
Summary
Oracle MySQL Connectors, component Connector/Net, is affected in version 26.7.0. Improper access control (CWE-284) lets an unauthenticated remote attacker with network access reach data they should not see. The attack is difficult to carry out, but a successful one gives unauthorized access to critical data accessible through MySQL Connectors.
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/Net). The supported version that is affected is 26.7.0. Difficult to exploit 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 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).
Why it matters now
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
Remediation
The sources list no fixed version for Oracle 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
Vendor assessments
Timeline
- 2026-10-21 Threatist record created from CVE-2026-101626
- 2026-10-21 Alias added: GHSA-3g6c-mqw2-6j9j
- 2026-10-21 Weakness changed · CISA ADP
- 2026-10-21 CISA SSVC decision points changed
- 2026-10-21 Priority changed: MEDIUM → LOW
- 2026-11-03 Affected versions changed · Red Hat
References
Advisory 1
More Oracle vulnerabilities
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- 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
Sources
- CVE-2026-101626 · CVE Program
- CVE-2026-101626 · NVD
- FIRST EPSS
- GHSA-3g6c-mqw2-6j9j · GitHub Advisory Database · CC BY 4.0
- CVE-2026-101626 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences