MixPHP Framework up to 2.2.17 Connection.php unserialize deserialization

Summaryinfo

A vulnerability was found in MixPHP Framework up to 2.2.17. It has been declared as critical. The impacted element is the function unserialize of the file Connection.php. Executing a manipulation can lead to deserialization. This vulnerability is registered as CVE-2026-42471. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in MixPHP Framework up to 2.2.17. This vulnerability affects the function unserialize of the file Connection.php. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The sync-invoke client (Connection.php:76) calls unserialize() on data received from the server response, enabling client-side RCE if connecting to a malicious server.

The advisory is available at github.com. This vulnerability was named CVE-2026-42471 since 04/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:Connection.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (52590). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• MixPHP

Name

• Framework

Version

• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6
• 2.2.7
• 2.2.8
• 2.2.9
• 2.2.10
• 2.2.11
• 2.2.12
• 2.2.13
• 2.2.14
• 2.2.15
• 2.2.16
• 2.2.17

CPE 2.3info

• 🔒
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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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