CVE-2026-44171: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in MariaDB server
MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, mbstream did not check for /../ in the path when unpacking the archive. A proper backup can never contain such paths, but a specially crafted archive could have caused mbstream to create files outside of the target-dir path. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
AI Analysis
Technical Summary
MariaDB server versions 10.6.1 through 10.6.25, 10.11.1 through 10.11.16, 11.4.1 through 11.4.10, 11.8.1 through 11.8.6, and version 12.3.1 contain a path traversal vulnerability (CWE-22) in the mbstream utility. The vulnerability arises because mbstream did not properly check for '/../' sequences in archive paths when unpacking, allowing crafted archives to write files outside the intended directory. This could lead to unauthorized file creation or modification. The issue is patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
Potential Impact
Successful exploitation can allow an attacker with appropriate privileges to write files outside the designated directory during archive unpacking, potentially leading to unauthorized file creation or modification. This can compromise confidentiality, integrity, and availability of the system. The CVSS 3.1 base score is 6.3 (medium), reflecting high impact on confidentiality, integrity, and availability but requiring local access with high privileges and user interaction.
Mitigation Recommendations
A fix is available and has been released in MariaDB server versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2. Users should upgrade to these or later versions to remediate the vulnerability. No vendor advisory contradicts this; therefore, upgrading is the recommended mitigation.
CVE-2026-44171: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in MariaDB server
Description
MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, mbstream did not check for /../ in the path when unpacking the archive. A proper backup can never contain such paths, but a specially crafted archive could have caused mbstream to create files outside of the target-dir path. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
CVSS v3.1
Score 6.3medium
Affected software
pkg:github/mariadb/serverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
MariaDB server versions 10.6.1 through 10.6.25, 10.11.1 through 10.11.16, 11.4.1 through 11.4.10, 11.8.1 through 11.8.6, and version 12.3.1 contain a path traversal vulnerability (CWE-22) in the mbstream utility. The vulnerability arises because mbstream did not properly check for '/../' sequences in archive paths when unpacking, allowing crafted archives to write files outside the intended directory. This could lead to unauthorized file creation or modification. The issue is patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
Potential Impact
Successful exploitation can allow an attacker with appropriate privileges to write files outside the designated directory during archive unpacking, potentially leading to unauthorized file creation or modification. This can compromise confidentiality, integrity, and availability of the system. The CVSS 3.1 base score is 6.3 (medium), reflecting high impact on confidentiality, integrity, and availability but requiring local access with high privileges and user interaction.
Mitigation Recommendations
A fix is available and has been released in MariaDB server versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2. Users should upgrade to these or later versions to remediate the vulnerability. No vendor advisory contradicts this; therefore, upgrading is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-05T14:39:34.923Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c4809e617e2d8349cf155
Added to database: 6/12/2026, 5:55:21 PM
Last enriched: 6/12/2026, 6:11:10 PM
Last updated: 6/12/2026, 8:30:15 PM
Views: 6
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