🛡️ CVE-2026-48163 on Ubuntu — mariadb

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Distribution advisory

This page covers CVE-2026-48163 as tracked by Ubuntu, for the package mariadb. The fix is available in version 1:11.8.6-5ubuntu0.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

UBUNTU-CVE-2026-48163 is recorded against 5 packages.

  • mariadb (fixed in 1:11.8.6-5ubuntu0.1)
  • mariadb-10.0
  • mariadb-10.1
  • mariadb-10.3
  • mariadb-10.6

Timeline and source

Published on 12 June 2026 and last revised on 14 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.cve.org (Report)
mariadb.com (Report)
ubuntu.com (Advisory)

CVE-2026-48163 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-12
Updated 2026-08-12
Modified 2026-07-14
Fix URL N/A

Affected Packages

Software From version Fixed in
mariadb — 1:11.8.6-5ubuntu0.1
mariadb-10.0 — —
mariadb-10.1 — —
mariadb-10.3 — —
mariadb-10.6 — —

Site Security Check

Is mariadb part of your stack?

UBUNTU-CVE-2026-48163 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.