CVE-2026-101781
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server:...
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
- Record
CVE-2026-101781- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-106182
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
- Record
EUVD-2026-106182- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q6xq-6vm7-7h7j
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server:...
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
- Record
GHSA-q6xq-6vm7-7h7j- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
- Record
CVE-2026-101781- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-101781
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). 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 takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
- Record
UBUNTU-CVE-2026-101781- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mysql-5.5Ubuntu:14.04:LTS |
All versions, plus listed versions 5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1 Show 20 moreShow less5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.15.5.54-0ubuntu0.14.04.15.5.55-0ubuntu0.14.04.15.5.57-0ubuntu0.14.04.15.5.58-0ubuntu0.14.04.15.5.59-0ubuntu0.14.04.15.5.60-0ubuntu0.14.04.15.5.61-0ubuntu0.14.04.15.5.62-0ubuntu0.14.04.1 |
None known |
mysql-5.7Ubuntu:Pro:16.04:LTS |
All versions, plus listed versions 5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1 Show 31 moreShow less5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.25.7.18-0ubuntu0.16.04.15.7.19-0ubuntu0.16.04.15.7.20-0ubuntu0.16.04.15.7.21-0ubuntu0.16.04.15.7.22-0ubuntu0.16.04.15.7.23-0ubuntu0.16.04.15.7.24-0ubuntu0.16.04.15.7.25-0ubuntu0.16.04.25.7.26-0ubuntu0.16.04.15.7.27-0ubuntu0.16.04.15.7.28-0ubuntu0.16.04.25.7.29-0ubuntu0.16.04.15.7.30-0ubuntu0.16.04.15.7.31-0ubuntu0.16.04.15.7.32-0ubuntu0.16.04.15.7.33-0ubuntu0.16.04.15.7.35-0ubuntu0.16.04.1+esm15.7.36-0ubuntu0.16.04.1+esm15.7.37-0ubuntu0.16.04.1+esm15.7.38-0ubuntu0.16.04.1+esm15.7.39-0ubuntu0.16.04.1+esm25.7.40-0ubuntu0.16.04.1+esm15.7.41-0ubuntu0.16.04.1+esm15.7.42-0ubuntu0.16.04.1+esm15.7.43-0ubuntu0.16.04.1+esm15.7.44-0ubuntu0.16.04.1+esm1 |
None known |
mariadb-10.0Ubuntu:16.04:LTS |
All versions, plus listed versions 10.0.20-0ubuntu0.15.04.110.0.22-0ubuntu110.0.23-110.0.23-210.0.24-7 Show 9 moreShow less10.0.25-0ubuntu0.16.04.110.0.27-0ubuntu0.16.04.110.0.28-0ubuntu0.16.04.110.0.29-0ubuntu0.16.04.110.0.31-0ubuntu0.16.04.210.0.33-0ubuntu0.16.04.110.0.34-0ubuntu0.16.04.110.0.36-0ubuntu0.16.04.110.0.38-0ubuntu0.16.04.1 |
None known |
percona-server-5.6Ubuntu:16.04:LTS |
All versions, plus listed versions 5.6.22-rel71.0-0ubuntu25.6.22-rel71.0-0ubuntu45.6.22-rel71.0-0ubuntu4.1 |
None known |
percona-xtradb-cluster-5.6Ubuntu:16.04:LTS |
All versions, plus listed versions 5.6.21-25.8-0ubuntu25.6.21-25.8-0ubuntu35.6.21-25.8-0ubuntu3.15.6.21-25.8-0ubuntu3.25.6.34-26.19-0ubuntu0.16.04.15.6.34-26.19-0ubuntu0.16.04.25.6.37-26.21-0ubuntu0.16.04.15.6.37-26.21-0ubuntu0.16.04.2 |
None known |
mysql-5.7Ubuntu:Pro:18.04:LTS |
All versions, plus listed versions 5.7.19-0ubuntu15.7.20-0ubuntu0.17.10.15.7.20-1ubuntu15.7.21-1ubuntu15.7.22-0ubuntu18.04.1 Show 23 moreShow less5.7.23-0ubuntu0.18.04.15.7.24-0ubuntu0.18.04.15.7.25-0ubuntu0.18.04.25.7.26-0ubuntu0.18.04.15.7.27-0ubuntu0.18.04.15.7.28-0ubuntu0.18.04.45.7.29-0ubuntu0.18.04.15.7.30-0ubuntu0.18.04.15.7.31-0ubuntu0.18.04.15.7.32-0ubuntu0.18.04.15.7.33-0ubuntu0.18.04.15.7.34-0ubuntu0.18.04.15.7.35-0ubuntu0.18.04.15.7.35-0ubuntu0.18.04.25.7.36-0ubuntu0.18.04.15.7.37-0ubuntu0.18.04.15.7.38-0ubuntu0.18.04.15.7.39-0ubuntu0.18.04.25.7.40-0ubuntu0.18.04.15.7.41-0ubuntu0.18.04.15.7.42-0ubuntu0.18.04.15.7.43-0ubuntu0.18.04.1+esm15.7.44-0ubuntu0.18.04.1+esm1 |
None known |
mariadb-10.1Ubuntu:18.04:LTS |
All versions, plus listed versions 10.1.25-11:10.1.29-61:10.1.34-0ubuntu0.18.04.11:10.1.38-0ubuntu0.18.04.11:10.1.38-0ubuntu0.18.04.2 Show 6 moreShow less1:10.1.40-0ubuntu0.18.04.11:10.1.41-0ubuntu0.18.04.11:10.1.43-0ubuntu0.18.04.11:10.1.44-0ubuntu0.18.04.11:10.1.47-0ubuntu0.18.04.11:10.1.48-0ubuntu0.18.04.1 |
None known |
mysql-8.0Ubuntu:Pro:20.04:LTS |
All versions, plus listed versions 8.0.17-0ubuntu28.0.17-0ubuntu38.0.18-0ubuntu38.0.18-0ubuntu48.0.18-0ubuntu5 Show 37 moreShow less8.0.19-0ubuntu28.0.19-0ubuntu38.0.19-0ubuntu48.0.19-0ubuntu58.0.20-0ubuntu0.20.04.18.0.21-0ubuntu0.20.04.38.0.21-0ubuntu0.20.04.48.0.22-0ubuntu0.20.04.28.0.22-0ubuntu0.20.04.38.0.23-0ubuntu0.20.04.18.0.25-0ubuntu0.20.04.18.0.26-0ubuntu0.20.04.28.0.26-0ubuntu0.20.04.38.0.27-0ubuntu0.20.04.18.0.28-0ubuntu0.20.04.38.0.29-0ubuntu0.20.04.28.0.29-0ubuntu0.20.04.38.0.30-0ubuntu0.20.04.28.0.31-0ubuntu0.20.04.18.0.31-0ubuntu0.20.04.28.0.32-0buntu0.20.04.18.0.32-0ubuntu0.20.04.28.0.33-0ubuntu0.20.04.18.0.33-0ubuntu0.20.04.28.0.33-0ubuntu0.20.04.48.0.34-0ubuntu0.20.04.18.0.35-0ubuntu0.20.04.18.0.36-0ubuntu0.20.04.18.0.37-0ubuntu0.20.04.38.0.39-0ubuntu0.20.04.18.0.40-0ubuntu0.20.04.18.0.41-0ubuntu0.20.04.18.0.42-0ubuntu0.20.04.18.0.43-0ubuntu0.20.04.1+esm18.0.45-0ubuntu0.20.04.1+esm28.0.46-0ubuntu0.20.04.1+esm28.0.46-0ubuntu0.20.04.1+esm3 |
None known |
mariadb-10.3Ubuntu:20.04:LTS |
All versions, plus listed versions 1:10.3.17-11:10.3.18-11:10.3.19-11:10.3.21-21:10.3.22-1 Show 10 moreShow less1:10.3.22-1ubuntu11:10.3.25-0ubuntu0.20.04.11:10.3.29-0ubuntu0.20.04.11:10.3.30-0ubuntu0.20.04.11:10.3.31-0ubuntu0.20.04.11:10.3.32-0ubuntu0.20.04.11:10.3.34-0ubuntu0.20.04.11:10.3.37-0ubuntu0.20.04.11:10.3.38-0ubuntu0.20.04.11:10.3.39-0ubuntu0.20.04.2 |
None known |
mariadb-10.6Ubuntu:22.04:LTS |
All versions, plus listed versions 1:10.6.7-2ubuntu11:10.6.7-2ubuntu1.11:10.6.11-0ubuntu0.22.04.11:10.6.12-0ubuntu0.22.04.11:10.6.16-0ubuntu0.22.04.1 Show 4 moreShow less1:10.6.18-0ubuntu0.22.04.11:10.6.21-0ubuntu0.22.04.21:10.6.22-0ubuntu0.22.04.11:10.6.23-0ubuntu0.22.04.1 |
None known |
Show 7 moreShow less
| Package | Affected | Fixed |
|---|---|---|
mysql-8.0Ubuntu:22.04:LTS |
All versions, plus listed versions 8.0.26-0ubuntu18.0.27-0ubuntu0.21.10.18.0.28-0ubuntu38.0.28-0ubuntu48.0.29-0ubuntu0.22.04.1 Show 26 moreShow less8.0.29-0ubuntu0.22.04.28.0.29-0ubuntu0.22.04.38.0.30-0ubuntu0.22.04.18.0.31-0ubuntu0.22.04.18.0.32-0buntu0.22.04.18.0.32-0ubuntu0.22.04.28.0.33-0ubuntu0.22.04.18.0.33-0ubuntu0.22.04.28.0.33-0ubuntu0.22.04.48.0.34-0ubuntu0.22.04.18.0.35-0ubuntu0.22.04.18.0.36-0ubuntu0.22.04.18.0.37-0ubuntu0.22.04.38.0.39-0ubuntu0.22.04.18.0.40-0ubuntu0.22.04.18.0.41-0ubuntu0.22.04.18.0.42-0ubuntu0.22.04.18.0.42-0ubuntu0.22.04.28.0.43-0ubuntu0.22.04.18.0.43-0ubuntu0.22.04.28.0.44-0ubuntu0.22.04.18.0.44-0ubuntu0.22.04.28.0.45-0ubuntu0.22.04.18.0.46-0ubuntu0.22.04.28.0.46-0ubuntu0.22.04.38.0.46-0ubuntu0.22.04.4 |
None known |
mariadbUbuntu:24.04:LTS |
All versions, plus listed versions 1:10.11.4-11:10.11.5-31:10.11.6-11:10.11.6-21:10.11.7-2ubuntu1 Show 5 moreShow less1:10.11.7-2ubuntu21:10.11.8-0ubuntu0.24.04.11:10.11.11-0ubuntu0.24.04.21:10.11.13-0ubuntu0.24.04.11:10.11.14-0ubuntu0.24.04.1 |
None known |
mysql-8.0Ubuntu:24.04:LTS |
All versions, plus listed versions 8.0.34-1ubuntu18.0.35-1ubuntu18.0.35-1ubuntu28.0.36-18.0.36-2ubuntu1 Show 17 moreShow less8.0.36-2ubuntu28.0.36-2ubuntu38.0.37-0ubuntu0.24.04.18.0.39-0ubuntu0.24.04.18.0.39-0ubuntu0.24.04.28.0.40-0ubuntu0.24.04.18.0.41-0ubuntu0.24.04.18.0.42-0ubuntu0.24.04.18.0.42-0ubuntu0.24.04.28.0.43-0ubuntu0.24.04.18.0.43-0ubuntu0.24.04.28.0.44-0ubuntu0.24.04.18.0.44-0ubuntu0.24.04.28.0.45-0ubuntu0.24.04.18.0.46-0ubuntu0.24.04.28.0.46-0ubuntu0.24.04.38.0.46-0ubuntu0.24.04.4 |
None known |
mariadbUbuntu:26.10 |
All versions, plus listed versions 1:11.8.6-51:11.8.8-11:11.8.9+ds-4ubuntu2 |
None known |
mysql-9.7Ubuntu:26.10 |
All versions, plus listed versions 9.7.2-49.7.2-4ubuntu1 |
None known |
mariadbUbuntu:26.04:LTS |
All versions, plus listed versions 1:11.8.3-1build11:11.8.5-11:11.8.5-21:11.8.5-31:11.8.5-4 Show 5 moreShow less1:11.8.6-11:11.8.6-31:11.8.6-41:11.8.6-51:11.8.6-5ubuntu0.1 |
None known |
mysql-8.4Ubuntu:26.04:LTS |
All versions, plus listed versions 8.4.6-0ubuntu38.4.7-0ubuntu28.4.7-0ubuntu38.4.8-0ubuntu18.4.9-0ubuntu0.26.04.18.4.10-0ubuntu0.26.04.18.4.11-0ubuntu0.26.04.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-101781 is a high vulnerability (CVSS 8.8) in Oracle Mysql Cluster, published October 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.