CVE-2026-92262
Public on 2026-10-16
Modified on 2026-10-17
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, the #mysql50# bypass prefix is affected because it allows the #mysql50# prefix to bypass normal table-name filesystem encoding. An attacker can trigger the issue with a table name using the #mysql50# prefix, then use a #mysql50# table name to access files under their legacy unencoded name and cause crashes, data corruption, data exfiltration, or remote code execution. 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.
Severity
See what this means
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | mariadb | Pending Fix | ||
| Amazon Linux 2 - Lamp-mariadb10.2-php7.2 Extra | mariadb | No Fix Planned | ||
| Amazon Linux 2 - Mariadb10.5 Extra | mariadb | No Fix Planned | ||
| Amazon Linux 2023 | mariadb-connector-c | Not Affected | ||
| Amazon Linux 2027 Preview | mariadb-connector-c | Not Affected | ||
| Amazon Linux 2023 | mariadb1011 | Pending Fix | ||
| Amazon Linux 2027 Preview | mariadb1011 | Pending Fix | ||
| Amazon Linux 2023 | mariadb105 | No Fix Planned | ||
| Amazon Linux 2023 | mariadb114 | Pending Fix | ||
| Amazon Linux 2027 Preview | mariadb114 | Pending Fix | ||
| Amazon Linux 2023 | mariadb118 | Pending Fix | ||
| Amazon Linux 2027 Preview | mariadb118 | Pending Fix | ||
| Amazon Linux 2023 | mariadb123 | Pending Fix | ||
| Amazon Linux 2027 Preview | mariadb123 | Pending Fix | ||
| Amazon Linux 2023 | perl-DBD-MariaDB | Not Affected | ||
| Amazon Linux 2027 Preview | perl-DBD-MariaDB | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |