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CVE-2026-49261 Details

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`.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: redhat-SADPCVSS-B:9 CRITICALVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2026:25143	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:25145	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33093	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33412	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33464	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33481	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:33482	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:49522	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:52848	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:54142	redhat-SADP
https://access.redhat.com/security/cve/CVE-2026-49261	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2487957	redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49261.json	redhat-SADP
https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw	[email protected]	Vendor Advisory
https://jira.mariadb.org/browse/MDEV-39721	[email protected]	Issue Tracking

see all 15 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	redhat-SADP
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]

Affected Products

Product	Versions
mariadb mariadb	>= 10.6.1, < 10.6.27 >= 10.11.1, < 10.11.18 >= 11.4.1, < 11.4.12 >= 11.8.1, < 11.8.8 12.3.1
CPE cpe:2.3:a:mariadb:mariadb:::::::: cpe:2.3:a:mariadb:mariadb:12.3.1:::::::* Remediation No remediation found in references.

Change History

11 change records found show changes

Date	Action	Recorded By
Aug 12, 2026	CVE Modified	redhat-SADP
Aug 11, 2026	CVE Modified	redhat-SADP
Aug 3, 2026	CVE Modified	redhat-SADP
Jul 15, 2026	CVE Modified	redhat-SADP
Jul 1, 2026	CVE Modified	redhat-SADP
Jun 30, 2026	CVE Modified	redhat-SADP
Jun 30, 2026	CVE Modified	redhat-SADP
Jun 17, 2026	Initial Analysis	[email protected]
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 11, 2026	New CVE Received	[email protected]