Uncontrolled resource consumption in Oracle MySQL Router
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Router. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle MySQL Router — oracle.com/security-alerts/cspujun2026.html
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-34466 Improper access control in Oracle MySQL RouterPriority MEDIUM 49
Timeline
- 2026-10-02 Threatist record created from CVE-2026-46862
- 2026-10-03 Alias added: GHSA-658f-6m2q-8572
References
Advisory 1
More Oracle Mysql Router vulnerabilities
- TI-2026-34466 Improper access control in Oracle MySQL Router CVSS 3.1CRITICAL 9.8
- TI-2026-43015 Uncontrolled resource consumption in Oracle MySQL Router CVSS 3.1HIGH 7.5
- TI-2026-43388 Improper access control in Oracle MySQL Router CVSS 3.1HIGH 7.4
Sources
- CVE-2026-46862 · CVE Program
- CVE-2026-46862 · NVD
- FIRST EPSS
- GHSA-658f-6m2q-8572 · GitHub Advisory Database · CC BY 4.0
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