CVE-2026-101773

HIGH
MEDIUM Priority: 0.02 BB Relevance: 59/100
Published: 2026-10-20 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Adjacent
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: Low
A: High

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication Plugin). 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 unauthenticated attacker with access to the physical communication segment attached to the hardware where the MySQL Server, MySQL Cluster executes 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 as well as unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 7.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H).

Weakness Classification (1)

Affected Software (7)

VendorProductVersion
oracle mysql_cluster 8.0.0 – 8.0.49
oracle mysql_cluster 8.4.0 – 8.4.12
oracle mysql_cluster 9.7.0 – 9.7.3
oracle mysql_cluster 26.7.0 – 26.7.1
oracle mysql_server 8.4.0 – 8.4.12
oracle mysql_server 9.7.0 – 9.7.3
oracle mysql_server 26.7.0 – 26.7.1

Bug Bounty Relevance

59 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.1 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

EPSS — Exploitation Probability

0.22%
Raw Score 0.002170
Percentile 12.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00217
2026-10-28
0.00217

Intelligence Sources

nvd ref →