CVE-2026-46861: Vulnerability in the MySQL NDB Cluster product of Oracle MySQL (component: Cluster: NDB Operator)

This month

CRITICAL 9.6WATCHLISTUPGRADE

CVE-2026-46861 is a critical-severity flaw (CVSS 9.6) affecting mysql ndb cluster. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the MySQL NDB Cluster product of Oracle MySQL (component: Cluster: NDB Operator). Supported versions that are affected are 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise MySQL NDB Cluster. While the vulnerability is in MySQL NDB Cluster, attacks may significantly impact additional products (scope change). Successful att

Why this priority

Critical severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-06-17
Last modified	2026-10-25

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-17 10:54 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

oracle mysql ndb cluster UPGRADE

Affected: >= 8.0.11 and <= 8.0.46 · >= 8.4.0 and <= 8.4.9 · >= 9.0.0 and <= 9.7.0

Fixed in: newer than 9.7.0

Safe to downgrade to: a release before 8.0.11

1. Check installed version

apt-cache policy mysql-ndb-cluster || rpm -q mysql-ndb-cluster || mysql-ndb-cluster --version

2. UPGRADE to newer than 9.7.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mysql-ndb-cluster

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mysql-ndb-cluster

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 8.0.11 (Debian / Ubuntu)

apt-cache madison mysql-ndb-cluster sudo apt install mysql-ndb-cluster=<VERSION_BEFORE_8.0.11> sudo apt-mark hold mysql-ndb-cluster

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mysql-ndb-cluster sudo dnf downgrade mysql-ndb-cluster-<VERSION_BEFORE_8.0.11> sudo dnf versionlock add mysql-ndb-cluster

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

Fedora 46 · log4cplus · FIXED · 2.2.0.1-2.fc46 · FEDORA-2026-fc241370c9 · source

sudo dnf upgrade --advisory=FEDORA-2026-fc241370c9

Fedora ELN · velocitty · FIXED · 1.0.3-2.eln159 · FEDORA-2026-edae8cd295 · source

sudo dnf upgrade --advisory=FEDORA-2026-edae8cd295

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-46861?

mysql ndb cluster: upgrade to newer than 9.7.0. Exact commands for each OS are on this page.

Is CVE-2026-46861 being exploited?

CVE-2026-46861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-46861 affect?

CVE-2026-46861 affects mysql ndb cluster. Severity is critical (CVSS 9.6). Vulnerability in the MySQL NDB Cluster product of Oracle MySQL (component: Cluster: NDB Operator). Supported versions that are affected are 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows low privil

How urgent is CVE-2026-46861?

Priority 46/100. Critical severity; On your watchlist

Software pages

MySQL vulnerabilities

References

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