---
title: "CVE-2026-48165\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2026-48165?format=md
keywords: index, follow
---

# CVE-2026-48165

Publication date 12 June 2026

Last updated 16 July 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.0 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2026-48165?format=md#impact-score)

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## 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, 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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| mariadb | 26.04 LTS resolute | Fixed 1:11.8.6-5ubuntu0.1 |
| 25.10 questing | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| mariadb-10.0 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 16.04 LTS xenial | Needs evaluation |
| mariadb-10.1 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| mariadb-10.3 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| mariadb-10.6 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2026-48165?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| mariadb | * Upstream:   [13e6808](https://github.com/MariaDB/server/commit/13e6808f0138175ad48bf91b6487f56f33c51919) * Upstream:   [a9e2f7f](https://github.com/MariaDB/server/commit/a9e2f7f648f339c6f49b5bbe0435fa6b04a27ed2) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.0 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | High |
  | Privileges required | High |
  | User interaction | None |
  | Scope | Changed |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.0 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-48165)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-48165)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2026-48165)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2026-48165)

### Related Ubuntu Security Notices (USN)

+ [USN-8536-1](https://usn.ubuntu.com/USN-8536-1)
+ MariaDB vulnerabilities
+ 14 July 2026

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2026-48165>
* <https://mariadb.com/docs/release-notes/community-server/11.8/11.8.8>