CVE-2026-22001Network attack vector

Authenticated read access to database data

Published Apr 21, 2026 · Updated Apr 21, 2026

Information disclosure in MySQL Server allows remote authenticated users to read a subset of database data through the MySQL protocol. The flaw is in the Server: Information Schema component, but Oracle has not published the affected operation or how it mishandles a request. Exploitation requires network access and a high-privilege account; Oracle documents only unauthorized reads of a subset of accessible data.

CVSS severity2.7
Low
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in MySQL Server allows remote authenticated users to read a subset of database data through the MySQL protocol. The flaw is in the Server: Information Schema component, but Oracle has not published the affected operation or how it mishandles a request. Exploitation requires network access and a high-privilege account; Oracle documents only unauthorized reads of a subset of accessible data.

The record

CVE
CVE-2026-22001
Published
Apr 21, 2026
Updated
Apr 21, 2026
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
CWE-200, T1213.006
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 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 <=8.0.45
  2. Affected versionversion=8.4.0 <=8.4.8
  3. Affected versionversion=9.0.0 <=9.6.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Serverversion=8.0.0 <=8.0.45; version=8.4.0 <=8.4.8; version=9.0.0 <=9.6.0

Published CVSS scores

2.7Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1213.006Data from Information Repositories: Databases

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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