Vulnerability intelligence
CVE-2026-48163
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, during the SST the donor node is interpolating parameters that the joiner sent into the command line. Not all parameters were properly validated which could allow a malicious joiner to execute arbitrary shell commands on the donor side via the rsync SST method. This issue has been patched in versions 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2.
CVSS Score
8
High
EPSS — Exploit Probability
0.7%
Riskier than 48% of all CVEs
Exploitation
Not in CISA KEV
No federal exploitation record
Remediation
Patch available
Vendor fix published
2 articles across 1 outlet · first covered Jun 7, 2026 · latest Jun 23, 2026
Tracked incidents
Coverage timeline
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Critical MariaDB bugs let attackers run shell commands via Galerasecurityonline.info · Jun 23, 2026
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CVE-2026-49261 flaw in MariaDB lets attackers run remote codesecurityonline.info · Jun 7, 2026