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TI-2026-77939 Aliases CVE-2026-101632GHSA-43v3-mgp8-gw3r

Improper access control in Oracle MySQL Router exposes data

Priority LOW 20CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · 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 Router version 26.7.0 is affected by an improper access control flaw (CWE-284). An unauthenticated remote attacker with network access over HTTPS can compromise MySQL Router, but a person other than the attacker must interact with the attack. Successful attacks allow unauthorized read access to a subset of data that MySQL Router can access.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise MySQL Router. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Router accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00313 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
OracleMySQL Router26.7.0—No fix listedCNA
  • MySQL Router VendorOracle Affected 26.7.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:*——Oracle
  • cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:* Versions — — ·Oracle

Remediation

The sources list no fixed version for MySQL Router.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

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/cpuoct2026.html

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-78110 Denial of service in Oracle MySQL Router by network attackersPriority LOW 39
    • TI-2026-78083 Improper access control in Oracle MySQL RouterPriority LOW 34
    • TI-2026-77938 Improper access control in Oracle MySQL Router lets attackers modify dataPriority LOW 32
    Show all 5 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101632
  2. 2026-10-21 Alias added: GHSA-43v3-mgp8-gw3r
  3. 2026-10-21 Weakness changed · CISA ADP
  4. 2026-10-21 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
  • 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
See all 14200 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences