CVE-2026-49261
CRITICAL
10.0
CVSS 3.1
Description
MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through 10.11.17, 11.4.1 through 11.4.11, 11.8.1 through 11.8.7, and 12.3.1 with `wsrep_notify_cmd` enabled would execute shell commands embedded in the name of the joiner node. This is fixed in 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2. As a workaround, anyone who cannot upgrade now should disable `wsrep_notify_cmd`.
Metadata
Severity & Metrics
10.0
CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| MariaDB | server | — | >= 10.6.1, < 10.6.27, >= 10.11.1, < 10.11.18, >= 11.4.1, < 11.4.12, >= 11.8.1, < 11.8.8 … |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-78 | cna | CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 10.0 | CRITICAL | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
References (2)
- https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw
- https://jira.mariadb.org/browse/MDEV-39721 https://jira.mariadb.org/browse/MDEV-39721