Unauthorized Access Vulnerability in MariaDB Server
CVE-2026-32710

8.6HIGH

Key Information:

Vendor

Mariadb

Status
Vendor
CVE Published:
20 March 2026

Badges

📈 Score: 155👾 Exploit Exists🟡 Public PoC

What is CVE-2026-32710?

CVE-2026-32710 is a security vulnerability found in MariaDB Server, a widely-used open-source relational database management system that serves as a community-developed fork of MySQL. This vulnerability specifically affects versions of MariaDB 11.4 prior to 11.4.10 and 11.8 prior to 11.8.6, and is related to a flaw within the JSON_SCHEMA_VALID() function. An authenticated user can exploit this weakness to cause the server to crash. In certain controlled conditions, it may be possible to leverage this crash to achieve remote code execution, raising serious concerns for organizations relying on MariaDB for their database needs. Given the critical role of database servers in storing sensitive data and supporting business applications, this vulnerability could lead to significant operational disruptions and security breaches if not remediated.

Potential impact of CVE-2026-32710

  1. Service Disruption: The vulnerability can lead to crashes in the MariaDB server, resulting in downtime for applications and services that depend on the database. This interruption can affect normal business operations and lead to financial losses.

  2. Data Breaches: If the conditions for remote code execution are met, attackers could gain unauthorized access to sensitive data stored in the database. This could lead to data theft, manipulation, or exposure of confidential information, severely compromising organizational security.

  3. Increased Attack Surface: The existence of exploitable vulnerabilities can make the system more attractive to threat actors. This could result in further exploitation attempts, potentially paving the way for broader attacks on the organization’s infrastructure, including the deployment of malicious software or ransomware.

Affected Version(s)

server >= 11.4.1, < 11.4.10 < 11.4.1, 11.4.10

server >= 11.8.1, < 11.8.6 < 11.8.1, 11.8.6

server >= 12.1.2, < 12.2.2 < 12.1.2, 12.2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.