CVE-2026-48163
CVE-2026-48163 · MariaDB: wsrep SST unsafe parameter handling on the donor side (rsync)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 8.0 · High · EPSS 0.9% · Fix available
- Published
- Updated
Affected products and versions
server
- Versions
- >= 10.6.1, < 10.6.27: Affected
- >= 10.11.1, < 10.11.18: Affected
- >= 11.4.1, < 11.4.12: Affected
- >= 11.8.1, < 11.8.8: Affected
- >= 12.3.1, < 12.3.2: Affected
No fix published
mariadb Debian:12
- Versions
- 1:10.11.11-0+deb12u1
- 1:10.11.13-0+deb12u1
- 1:10.11.14-0+deb12u1
- 1:10.11.14-0+deb12u2
- 1:10.11.3-1
- 1:10.11.3-2~exp1
- 1:10.11.4-1
- 1:10.11.4-1~deb12u1
- 1:10.11.5-1
- 1:10.11.5-2
- 1:10.11.5-3
- 1:10.11.6-0+deb12u1
- 1:10.11.6-1
- 1:10.11.6-2
- 1:10.11.6-2.1~exp1
- 1:10.11.7-1
- 1:10.11.7-2
- 1:10.11.7-3
- 1:10.11.7-4
- 1:10.11.8-1
- 1:10.11.9-0+deb12u1
- Affected ranges
- ECOSYSTEM: < 1:10.11.18-0+deb12u1
Update to 1:10.11.18-0+deb12u1
mariadb Debian:13
- Versions
- 1:11.8.2-1
- 1:11.8.3-0+deb13u1
- 1:11.8.3-1
- 1:11.8.5-1
- 1:11.8.5-2
- 1:11.8.5-3
- 1:11.8.5-3~exp1
- 1:11.8.5-3~exp2
- 1:11.8.5-3~exp3
- 1:11.8.5-4
- 1:11.8.6-0+deb13u1
- 1:11.8.6-1
- 1:11.8.6-2
- 1:11.8.6-3
- 1:11.8.6-4
- 1:11.8.6-5
- 1:11.8.6-6
- 1:11.8.8-0+deb13u1
- 1:11.8.8-1
- 1:11.8.9+ds-1
- 1:11.8.9+ds-2
- 1:11.8.9+ds-3
- 1:11.8.9+ds-4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mariadb Debian:14
- Versions
- 1:11.8.2-1
- 1:11.8.3-1
- 1:11.8.5-1
- 1:11.8.5-2
- 1:11.8.5-3
- 1:11.8.5-3~exp1
- 1:11.8.5-3~exp2
- 1:11.8.5-3~exp3
- 1:11.8.5-4
- 1:11.8.6-1
- 1:11.8.6-2
- 1:11.8.6-3
- 1:11.8.6-4
- 1:11.8.6-5
- 1:11.8.6-6
- Affected ranges
- ECOSYSTEM: < 1:11.8.8-1
Update to 1:11.8.8-1
mariadb-10.0 Ubuntu:16.04:LTS
- Versions
- 10.0.20-0ubuntu0.15.04.1
- 10.0.22-0ubuntu1
- 10.0.23-1
- 10.0.23-2
- 10.0.24-7
- 10.0.25-0ubuntu0.16.04.1
- 10.0.27-0ubuntu0.16.04.1
- 10.0.28-0ubuntu0.16.04.1
- 10.0.29-0ubuntu0.16.04.1
- 10.0.31-0ubuntu0.16.04.2
- 10.0.33-0ubuntu0.16.04.1
- 10.0.34-0ubuntu0.16.04.1
- 10.0.36-0ubuntu0.16.04.1
- 10.0.38-0ubuntu0.16.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mariadb-10.1 Ubuntu:18.04:LTS
- Versions
- 10.1.25-1
- 1:10.1.29-6
- 1:10.1.34-0ubuntu0.18.04.1
- 1:10.1.38-0ubuntu0.18.04.1
- 1:10.1.38-0ubuntu0.18.04.2
- 1:10.1.40-0ubuntu0.18.04.1
- 1:10.1.41-0ubuntu0.18.04.1
- 1:10.1.43-0ubuntu0.18.04.1
- 1:10.1.44-0ubuntu0.18.04.1
- 1:10.1.47-0ubuntu0.18.04.1
- 1:10.1.48-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mariadb-10.3 Ubuntu:20.04:LTS
- Versions
- 1:10.3.17-1
- 1:10.3.18-1
- 1:10.3.19-1
- 1:10.3.21-2
- 1:10.3.22-1
- 1:10.3.22-1ubuntu1
- 1:10.3.25-0ubuntu0.20.04.1
- 1:10.3.29-0ubuntu0.20.04.1
- 1:10.3.30-0ubuntu0.20.04.1
- 1:10.3.31-0ubuntu0.20.04.1
- 1:10.3.32-0ubuntu0.20.04.1
- 1:10.3.34-0ubuntu0.20.04.1
- 1:10.3.37-0ubuntu0.20.04.1
- 1:10.3.38-0ubuntu0.20.04.1
- 1:10.3.39-0ubuntu0.20.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mariadb-10.6 Ubuntu:22.04:LTS
- Versions
- 1:10.6.7-2ubuntu1
- 1:10.6.7-2ubuntu1.1
- 1:10.6.11-0ubuntu0.22.04.1
- 1:10.6.12-0ubuntu0.22.04.1
- 1:10.6.16-0ubuntu0.22.04.1
- 1:10.6.18-0ubuntu0.22.04.1
- 1:10.6.21-0ubuntu0.22.04.2
- 1:10.6.22-0ubuntu0.22.04.1
- 1:10.6.23-0ubuntu0.22.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mariadb Ubuntu:24.04:LTS
- Versions
- 1:10.11.4-1
- 1:10.11.5-3
- 1:10.11.6-1
- 1:10.11.6-2
- 1:10.11.7-2ubuntu1
- 1:10.11.7-2ubuntu2
- 1:10.11.8-0ubuntu0.24.04.1
- 1:10.11.11-0ubuntu0.24.04.2
- 1:10.11.13-0ubuntu0.24.04.1
- 1:10.11.14-0ubuntu0.24.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mariadb Ubuntu:25.10
- Versions
- 1:11.4.5-1
- 1:11.8.1-4
- 1:11.8.1-5ubuntu2
- 1:11.8.2-1ubuntu1
- 1:11.8.3-1
- 1:11.8.3-1build1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mariadb Ubuntu:26.04:LTS
- Versions
- 1:11.8.3-1build1
- 1:11.8.5-1
- 1:11.8.5-2
- 1:11.8.5-3
- 1:11.8.5-4
- 1:11.8.6-1
- 1:11.8.6-3
- 1:11.8.6-4
- 1:11.8.6-5
- Affected ranges
- ECOSYSTEM: < 1:11.8.6-5ubuntu0.1
Update to 1:11.8.6-5ubuntu0.1
Original sources
- https://github.com/MariaDB/server/security/advisories/GHSA-rpgv-q6gv-684r
- https://jira.mariadb.org/browse/MDEV-39648
- https://access.redhat.com/security/cve/CVE-2026-48163
- https://bugzilla.redhat.com/show_bug.cgi?id=2488454
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48163.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-2026:33482
- https://access.redhat.com/errata/RHSA-2026:33481
- https://access.redhat.com/errata/RHSA-2026:25145
- https://access.redhat.com/errata/RHSA-2026:25143
- https://nvd.nist.gov/vuln/detail/CVE-2026-48163