CVE-2026-49261 | BDVDB-2026-339801 Detail
MariaDBserver
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`.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References#
- https://github.com/MariaDB/server/security/advisories/GHSA-3p3m-4x7c-p4pw
- https://jira.mariadb.org/browse/MDEV-39721
- https://access.redhat.com/security/cve/CVE-2026-49261
- https://bugzilla.redhat.com/show_bug.cgi?id=2487957
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49261.json
- https://access.redhat.com/errata/RHSA-2026:49522
- https://access.redhat.com/errata/RHSA-2026:33093
- https://access.redhat.com/errata/RHSA-2026:33412
- https://access.redhat.com/errata/RHSA-2026:33464
- https://access.redhat.com/errata/RHSA-2026:52848
- https://access.redhat.com/errata/RHSA-2026:54142
- https://access.redhat.com/errata/RHSA-2026:33482
- https://access.redhat.com/errata/RHSA-2026:33481
- https://access.redhat.com/errata/RHSA-2026:25145
- https://access.redhat.com/errata/RHSA-2026:25143
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.