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MixPHP Framework CVE-2026-42475

| EUVDEUVD-2026-26676 MEDIUM
SQL Injection (CWE-89)
2026-05-01 mitre
6.5
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

5
Analysis Generated
May 01, 2026 - 19:23 vuln.today
CVSS changed
May 01, 2026 - 19:22 NVD
6.5 (None) 6.5 (MEDIUM)
EUVD ID Assigned
May 01, 2026 - 16:00 euvd
EUVD-2026-26676
Analysis Generated
May 01, 2026 - 16:00 vuln.today
CVE Published
May 01, 2026 - 00:00 nvd
MEDIUM 6.5

DescriptionCVE.org

SQL injection vulnerability in MixPHP Framework 2.x thru 2.2.17 via crafted on array to the joinOn function in BuildHelper.php.

AnalysisAI

SQL injection in MixPHP Framework versions 2.0 through 2.2.17 allows unauthenticated remote attackers to execute arbitrary SQL queries by supplying crafted array parameters to the joinOn function in BuildHelper.php. The vulnerability has a CVSS score of 6.5 with network-accessible exploitation requiring no authentication or user interaction. SSVC signals indicate exploitation is automatable, though no active exploitation in the wild has been reported at time of analysis.

Technical ContextAI

MixPHP is a PHP framework that provides database query builders via the BuildHelper class. The joinOn function in BuildHelper.php constructs SQL JOIN clauses by processing an on array parameter without proper input validation or parameterized query construction. This is a classic SQL injection flaw (CWE-89: Improper Neutralization of Special Elements used in an SQL Command) where attacker-controlled array values are concatenated directly into SQL strings rather than being bound as prepared statement parameters. The vulnerability exists in the database abstraction layer where developers use the joinOn method to dynamically build complex SQL queries.

RemediationAI

Upgrade MixPHP Framework to version 2.2.18 or later, which contains the patched BuildHelper.php with proper input validation and parameterized query construction for the joinOn function. Until patching is possible, implement input validation at the application layer by whitelisting allowed column and table names before passing them to joinOn, avoiding dynamic array construction from user input. As a temporary workaround, restrict access to endpoints that accept joinOn parameters to authenticated users only and log all database query builder invocations for security monitoring. Do not rely on string filtering alone (e.g., blacklisting SQL keywords), as such approaches are bypassable; use allowlist-based validation or prepared statement bindings provided by the framework. Refer to the MixPHP repository at https://github.com/mix-php/mix for patch availability and security guidance.

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CVE-2026-42475 vulnerability details – vuln.today

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