CVE.org (no NVD analysis yet)· CNA oracle

CVE-2026-101616: Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON).

MediumCVSS 6.5 · v3.1—No exploit No fix recorded

Noroxi assessment

Priority: Monitor (action score 26/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.39% (FIRST EPSS).
Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Denial of service

EUVD-2026-106024

Published: Oct 20, 2026
Updated: Nov 5, 2026
EPSS: 0.3% · 34th percentile
CWE: CWE-400

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 26 / 40 · 6.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.3%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · oracle: 6.5; NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

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Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

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Versions reported by the vendor

Affected version ranges reported by the assigning authority (oracle). Independent of NVD's CPE analysis and usually ahead of it.

Oracle Corporation MySQL Cluster
- 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1affected
Oracle Corporation MySQL Server
- 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1affected

Same product

oracle corporation: all records

Other highest-scoring records for the same primary product.

CVE-2026-101785Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON).
33Monitor
CVE-2026-101797Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client: mysqldump).
30Monitor
CVE-2026-101796Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication).
30Monitor

Published before and after this one in the same product

← EarlierCVE-2026-101614Oct 20, 2026 · Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB).
19Monitor
← EarlierCVE-2026-101615Oct 20, 2026 · Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB).
17Monitor
Later →CVE-2026-101617Oct 20, 2026 · Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB).
19Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2026-1016080 days apartVulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer).
26Monitor
CVE-2026-1016070 days apartVulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer).
19Monitor
CVE-2026-1016100 days apartVulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer).
19Monitor
CVE-2026-1016130 days apartVulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: DDL).
19Monitor
CVE-2026-1016140 days apartVulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB).
19Monitor
CVE-2026-1016170 days apartVulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB).
19Monitor

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-26-1365 · Oct 21, 2026(Oracle Çoklu Ürün Güvenlik Bildirimi)

All national notices →

Not on record for this CVE: patch commit or PR link · researcher credit · public bounty program.

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: none
Integrity: none
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

Weakness class (CWE)

CWE-400 · Uncontrolled Resource Consumption

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-secondary

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

The bug in code

The whole CWE-400 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1function expand(node) {
2  return node.children.map(expand);
3}

Fixed

1const MAX_DEPTH = 32;
2function expand(node, depth = 0) {
3  if (depth > MAX_DEPTH) throw new Error("too deep");
4  return node.children.map((c) => expand(c, depth + 1));
5}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

Endpoint Denial of ServiceT1499

Change log (2)

SSVC exploitation— → noneNov 5, 2026, 5:07 PM UTC
Exploit maturity— → noneOct 20, 2026, 11:07 PM UTC

For records you follow, these changes also arrive as notifications. →

References

www.oracle.com/security-alerts/cpuoct2026.html

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records