CVE-2026-44170: MariaDB: Argument injection in CONNECT REST Xcurl on Windows via unsanitized URL

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• mariadb mariadb10.6.1 and later · before 10.6.26
• mariadb mariadb10.11.1 and later · before 10.11.17
• mariadb mariadb11.4.1 and later · before 11.4.11
• mariadb mariadb11.8.1 and later · before 11.8.7
• mariadb mariadb12.3.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.

• MariaDB server

  • >= 10.6.1, < 10.6.26, >= 10.11.1, < 10.11.17, >= 11.4.1, < 11.4.11, >= 11.8.1, < 11.8.7, >= 12.3.1, < 12.3.2affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2023-26785MariaDB v10.5 was discovered to contain a remote code execution (RCE) vulnerability via UDF Code in a Shared Object File, followed by a "cre
  40Plan
• CVE-2021-27928A remote code execution issue was discovered in MariaDB 10.2 before 10.2.37, 10.3 before 10.3.28, 10.4 before 10.4.18, and 10.5 before 10.5.
  40Plan
• CVE-2012-5613MySQL 5.5.19 and possibly other versions, and MariaDB 5.5.28a and possibly other versions, when configured to assign the FILE privilege to u
  40Plan

Published before and after this one in the same product

• ← EarlierCVE-2026-44168Jun 12, 2026 · MariaDB: wsrep SST unsafe parameter handling on the donor side
  32Monitor
• ← EarlierCVE-2026-44169Jun 12, 2026 · MariaDB: Authorization bypass in role-based routine-level privilege check exposes stored routine definitions
  17Monitor
• Later →CVE-2026-44171Jun 12, 2026 · MariaDB: path traversal in mbstream
  31Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const host = req.body.host;2exec("ping -c 1 " + host, onResult);

1const host = req.body.host;2if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);3execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.