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TI-2026-34468 Aliases CVE-2026-46862GHSA-658f-6m2q-8572

Uncontrolled resource consumption in Oracle MySQL Router

Priority LOW 39CWE-400Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00463 40th 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 Router8.4.0 – 8.4.9; 9.0.0 – 9.7.0—No fix listedCNA
  • MySQL Router VendorOracle Affected 8.4.0 – 8.4.9; 9.0.0 – 9.7.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:*8.4.0 – 8.4.9; 9.0.0 – 9.7.0VulnerableOracle
  • cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:* Versions 8.4.0 – 8.4.9; 9.0.0 – 9.7.0 Vulnerable ·Oracle

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

  1. 2026-10-02 Threatist record created from CVE-2026-46862
  2. 2026-10-03 Alias added: GHSA-658f-6m2q-8572

References

Advisory 1

  • 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