CVE-2026-46871 Oracle Corporation CVE debrief

Who should care

Users of MySQL Shell for VS Code, especially those with low-privileged network access, should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes applying vendor patches or updates to MySQL Shell for VS Code and restricting network access to only necessary users. Additionally, monitoring MySQL Shell for VS Code for signs of exploitation is recommended.

Technical summary

The vulnerability in MySQL Shell for VS Code (component: Shell for VS Code) allows low-privileged attackers with network access via multiple protocols to compromise MySQL Shell. Successful attacks can result in unauthorized access to critical data or complete access to all MySQL Shell accessible data. The CVSS 3.1 Base Score is 6.5 (Confidentiality impacts), with the vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. The vulnerability affects MySQL Shell for VS Code, specifically version 2026.2.0+9.6.1.

Defensive priority

Apply vendor patches or updates to MySQL Shell for VS Code to prevent exploitation. Restrict network access to MySQL Shell for VS Code to only necessary users and monitor for signs of exploitation.

Recommended defensive actions

• Apply the vendor patch or update to MySQL Shell for VS Code.
• Restrict network access to MySQL Shell for VS Code to only necessary users.
• Monitor MySQL Shell for VS Code for signs of exploitation.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record was published on 2026-06-17T10:54:04.800Z and was last modified on 2026-06-22T15:09:51.423Z. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects MySQL Shell for VS Code, specifically version 2026.2.0+9.6.1. The CVE record and NVD entry provide additional context and details about the vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.