CVE-2026-48165: high-severity vulnerability in MariaDB server
MariaDB: unsafe usage of `wsrep_sst_receive_address` values on the joiner side
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8epss 1.5%
MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.27, 10.11.1 to before 10.11.18, 11.4.1 to before 11.4.12, 11.8.1 to before 11.8.8, and 12.3.1, a high-privileged MariaDB user could've used wsrep_sst_receive_address or wsrep_sst_donor global system variables to execute shell commands as the uid of the mariadbd process on the galera joiner node. This issue has been patched in versions 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected products
MariaDB · serverRelated CVEs — MariaDB server
In the same product, most dangerous first.
CVE-2026-49261CRITICALMariaDB server has unsafe parameter handling in `wsrep_notify_cmd`EPSS 1.6%CVE-2026-92262CRITICALMariaDB: Numerous issues caused by historical #mysql50# tablename encoding bypass.EPSS 1.5%CVE-2026-107815HIGHMariaDB: one byte OOB write in DOS tables of the CONNECT engineEPSS 1.4%CVE-2026-44170MEDIUMMariaDB: Argument injection in CONNECT REST Xcurl on Windows via unsanitized URLEPSS 1.3%CVE-2026-97380HIGHMariaDB: GRANT PROXY with empty password incorrectly checks grantor's privilegesEPSS 1.3%CVE-2026-107821HIGHMariaDB: insufficient validation of binary frm data when opening a tableEPSS 1.2%
References
https://access.redhat.com/errata/RHSA-2026:25143https://access.redhat.com/errata/RHSA-2026:25145https://access.redhat.com/errata/RHSA-2026:33093https://access.redhat.com/errata/RHSA-2026:33412https://access.redhat.com/errata/RHSA-2026:33464https://access.redhat.com/errata/RHSA-2026:33481https://access.redhat.com/errata/RHSA-2026:33482https://access.redhat.com/errata/RHSA-2026:49522https://access.redhat.com/security/cve/CVE-2026-48165https://bugzilla.redhat.com/show_bug.cgi?id=2488458https://github.com/MariaDB/server/security/advisories/GHSA-7v3p-h23x-8hwvhttps://jira.mariadb.org/browse/MDEV-39676