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MySQL Connector/ODBC CVE-2026-71079

| EUVDEUVD-2026-62024 MEDIUM
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-446p-fj7m-m2rg
6.5
CVSS 3.1 · Vendor: oracle
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Severity by source

Vendor (oracle) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
vuln.today AI
6.5 MEDIUM

Network-reachable DoS requiring low-privilege credentials with no confidentiality or integrity impact, only availability; matches Oracle-provided vector.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Red Hat
6.5 MEDIUM
qualitative

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
Analysis Generated
Aug 19, 2026 - 04:40 vuln.today

DescriptionCVE.org

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

AnalysisAI

Network-exploitable denial-of-service in Oracle MySQL Connector/ODBC 26.7.0 allows low-privileged authenticated attackers to cause a complete hang or repeatable crash of the connector via multiple protocols. Oracle characterizes this as easily exploitable, consistent with the low-complexity, low-privilege CVSS vector (AV:N/AC:L/PR:L). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a low-privileged account with network access to the target system running MySQL Connector/ODBC version 26.7.0, confirmed by the CVSS PR:L metric. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 6.5 (Medium) reflects a network-accessible, low-complexity attack requiring only low privileges - a credible threat profile in shared or multi-tenant MySQL environments. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Apply the fix delivered in Oracle's August 2026 Critical Patch Update, detailed at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report.

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Vendor StatusVendor

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CVE-2026-71079 vulnerability details – vuln.today

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