Improper access control in Oracle MySQL Connectors enables takeover
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · 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 Connectors (component Connector/J) version 26.7.0 is affected. The flaw is improper access control (CWE-284), which lets an attacker gain access that should be restricted. An unauthenticated remote attacker with network access over HTTP can exploit it, though exploitation is difficult, and successful attacks can result in takeover of 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/J). The supported version that is affected is 26.7.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise MySQL Connectors. Successful attacks of this vulnerability can result in takeover of MySQL Connectors. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 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-2026-78106 Improper access control in Oracle MySQL Connectors ODBC componentPriority LOW 32
- TI-2026-77933 Improper access control in Oracle MySQL Connector/NetPriority LOW 26
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-21 Threatist record created from CVE-2026-101768
- 2026-10-21 Alias added: GHSA-5rjv-7cpf-g6jj
- 2026-10-22 Priority changed: MEDIUM → LOW
- 2026-10-22 Weakness changed · CISA ADP
- 2026-10-22 CISA SSVC decision points changed
- 2026-11-03 Affected versions changed · Red Hat
- 2026-11-03 CVSS score added · Red Hat
References
Advisory 1
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- TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
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Sources
- CVE-2026-101768 · CVE Program
- CVE-2026-101768 · NVD
- FIRST EPSS
- GHSA-5rjv-7cpf-g6jj · GitHub Advisory Database · CC BY 4.0
- CVE-2026-101768 · 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