TI-2026-77980 Aliases CVE-2026-101677 GHSA-39mr-wf5h-vjj5

Improper access control in Oracle MySQL Connectors Connector/J

LOW 20CWE-284Published 2026-10-20 · Updated 2026-10-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · Low · None
Fix status: Deferred Red Hat: fix deferred

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-284.

Summary

Oracle MySQL Connectors, component Connector/J, version 26.7.0 is affected by an improper access control flaw (CWE-284). An unauthenticated remote attacker over the network can update, insert or delete some data that MySQL Connectors can access, but a user other than the attacker must interact for the attack to succeed.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

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. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Connectors accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00295 22nd percentileScored 2026-11-07

Fix Deferred Red Hat: fix deferred

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Oracle	MySQL Connectors	26.7.0	—	No fix listed	CNA

MySQL Connectors VendorOracle Affected 26.7.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MySQL Connectors. Red Hat lists no fix planned for Red Hat Enterprise Linux 6 and Red Hat Fuse 7, and no fix available for Red Hat Enterprise Linux 7 and 9.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2026-10-20
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-2026-78068 Improper access control in Oracle MySQL Connectors enables takeoverPriority LOW 38
- TI-2026-78106 Improper access control in Oracle MySQL Connectors ODBC componentPriority LOW 32
Show all 8 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 7	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred
Red Hat Fuse 7	Affected	No fix planned: Out of support scope

Timeline

2026-10-21 Threatist record created from CVE-2026-101677
2026-10-21 Alias added: GHSA-39mr-wf5h-vjj5
2026-10-21 Weakness changed · CISA ADP
2026-10-21 CISA SSVC decision points changed
2026-11-02 Affected versions changed · Red Hat
2026-11-02 CVSS score added · Red Hat

References

Advisory 1

Oracle Advisory

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