CVE-2026-22015 — mysql: Information Schema unspecified vulnerability (CPU Apr 2026)

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MEDIUM

mysql: Information Schema unspecified vulnerability (CPU Apr 2026)

Published Apr 21, 2026

4.3

MEDIUM

CVSS 3.1

EPSS 0.24%

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Affected products

Vendor Oracle Corporation Product MySQL Server Default
n/a
- Version
  8.0.0
  Status
  affected
  Constraints
  <=8.0.45
- Version
  8.4.0
  Status
  affected
  Constraints
  <=8.4.8
- Version
  9.0.0
  Status
  affected
  Constraints
  <=9.6.0

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Oracle Corporation

MySQL Server

n/a

Version	Status	Constraints
8.0.0	affected	<=8.0.45
8.4.0	affected	<=8.4.8
9.0.0	affected	<=9.6.0

Red Hat Enterprise Linux 10

mysql8.4-0:8.4.9-1.el10_2

Fixed · RHSA-2026:20693
Red Hat Enterprise Linux 8

mysql:8.0-8100020260609092222.489197e6

Fixed · RHSA-2026:25919
Red Hat Enterprise Linux 8

mysql:8.4-8100020260526091138.489197e6

Fixed · RHSA-2026:26180
Red Hat Enterprise Linux 9

mysql-0:8.0.46-1.el9_8

Fixed · RHSA-2026:23332
Red Hat Enterprise Linux 9

mysql:8.4-9080020260602140041.rhel9

Fixed · RHSA-2026:25052
Red Hat Enterprise Linux 6

mysql

Not affected

Product	Package	State	Advisory
Red Hat Enterprise Linux 10	mysql8.4-0:8.4.9-1.el10_2	Fixed	RHSA-2026:20693
Red Hat Enterprise Linux 8	mysql:8.0-8100020260609092222.489197e6	Fixed	RHSA-2026:25919
Red Hat Enterprise Linux 8	mysql:8.4-8100020260526091138.489197e6	Fixed	RHSA-2026:26180
Red Hat Enterprise Linux 9	mysql-0:8.0.46-1.el9_8	Fixed	RHSA-2026:23332
Red Hat Enterprise Linux 9	mysql:8.4-9080020260602140041.rhel9	Fixed	RHSA-2026:25052
Red Hat Enterprise Linux 6	mysql	Not affected	n/a

Remediation

Red Hat statement

Red Hat Product Security rates the severity of this flaw as determined by the Oracle MySQL Critical Patch Update.

Metrics

0.24% 0.00243

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00243

Score over time

Apr–Oct 2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.24% (0.00243)	14.04th	v5 (v2026.06.15)
Jun 15, 2026	0.24% (0.00243)	15.24th	v5 (v2026.06.15)
Apr 22, 2026	0.03% (0.00027)	7.76th	v4 (v2025.03.14)

Weaknesses (2)

CWE-200

Exposure of Sensitive Information

CWE-201

References (6)

https://access.redhat.com/security/cve/CVE-2026-22015
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2460348
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2026-22015
https://www.cve.org/CVERecord?id=CVE-2026-22015
https://www.oracle.com/security-alerts/cpuapr2026.html
vendor-advisoryVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixMSQL

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2026-22015		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2460348		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2026-22015
https://www.cve.org/CVERecord?id=CVE-2026-22015
https://www.oracle.com/security-alerts/cpuapr2026.html		vendor-advisoryVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2026.html#AppendixMSQL