CVE-2026-107814: CWE-732: Incorrect Permission Assignment for Critical Resource in MariaDB server
Description
MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, MariaDB RPM packages created the dedicated mysql service account with the database data directory as its home directory. A database user with the FILE privilege could write startup dot-files such as .bash_profile into $HOME, and those files could execute when an administrator opened a login shell for the mysql account. Debian packages are not affected because they use /nonexistent as the account home. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.
CVSS v3.1
Score 8.4high
Affected software
MariaDB
server
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-107814 describes a vulnerability in MariaDB server RPM packages where the mysql service account's home directory is set to the database data directory. This misconfiguration allows a database user with FILE privilege to write startup files such as .bash_profile into the mysql account's home directory. When an administrator opens a login shell for the mysql account, these files could execute, potentially leading to privilege escalation or unauthorized code execution. Debian packages avoid this issue by setting the mysql account home directory to /nonexistent. The vulnerability affects multiple MariaDB versions starting from 10.6.1 up to but excluding the fixed versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.
Potential Impact
An attacker with FILE privilege on the database can write malicious startup files to the mysql service account's home directory. This can lead to code execution with elevated privileges when an administrator logs into the mysql account shell, resulting in full compromise of the database server environment. The vulnerability has a high CVSS score of 8.4, indicating high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Upgrade MariaDB server to one of the fixed versions: 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, or 13.0.2. If upgrading is not immediately possible, restrict FILE privilege to trusted users only and avoid opening login shells for the mysql service account. Note that Debian packages are not affected due to their different configuration. No other vendor advisory information is provided, so check the official MariaDB advisories for any additional guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-10-08T21:23:59.822Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac913f62cdf04f6566b1a1f
Added to database: 10/09/2026, 16:19:02 UTC
Last enriched: 10/09/2026, 16:33:22 UTC
Last updated: 10/09/2026, 18:57:32 UTC
Views: 12
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