Vulnerability Report

CVE-2026-42471

RCE

Title: Client-side Unsafe Deserialization RCE

RCE

Proof Of Concept

PoC Available for CVE-2026-42471

CWE Category CWE-502

Published Date May 01, 2026

Modified Date May 05, 2026

Exploit Status Available

Score 8.1 CVSS v3.1

Exploit Probability (EPSS)

1.25%

Vulnerability Summary

CVE-2026-42471: 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.

Impacted Vendors

Analysis in Progress...

Reference Links

https://gist.github.com/sgInnora/fa46386840fe978a30d7e53c458f2975 https://github.com/mix-php/mix https://github.com/mix-php/mix/blob/v2.2.17/src/sync-invoke/src/Server.php

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-42471 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/52590

View Code

May 05, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity HIGH

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.