CVE-2026-49261
MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`
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`.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
MariaDB
oss-project·US
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Execution
References
https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw
github.com
https://jira.mariadb.org/browse/MDEV-39721
jira.mariadb.org
https://access.redhat.com/errata/RHSA-2026:25143
access.redhat.com
and 9 more references View all →
News mentions
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