Vulnerabilities CVE-2026-49261

CVE-2026-49261

Critical

Open

TLP:CLEAR

MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`

NVD CVE.org

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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`.

Details

CVSS Score: 10.0
EPSS Score ⓘ: 1.58%

73.3th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Confidence: 90%
Published: Jun 11, 2026
Last Modified: Aug 12, 2026

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