CVE-2026-60171Network attack vector

Authenticated denial of service via undisclosed optimizer flaw

Published Jul 21, 2026 · Updated Jul 21, 2026

Denial of service in Oracle MySQL Cluster 8.0.0 through 8.0.47 allows remote authenticated users to hang or crash the service. Oracle has not disclosed the optimizer operation or input that triggers the failure. Exploitation requires a high-privileged database account with MySQL Protocol network access and causes only a hang or repeatable crash.

CVSS severity4.9
Medium
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Oracle MySQL Cluster 8.0.0 through 8.0.47 allows remote authenticated users to hang or crash the service. Oracle has not disclosed the optimizer operation or input that triggers the failure. Exploitation requires a high-privileged database account with MySQL Protocol network access and causes only a hang or repeatable crash.

The record

CVE
CVE-2026-60171
Published
Jul 21, 2026
Updated
Jul 21, 2026
Vendor
Oracle Corporation
Product
MySQL Cluster
Classifications
T1499.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.0.0 <=8.0.47

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Clusterversion=8.0.0 <=8.0.47

Published CVSS scores

4.9Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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