peter bassill · operator
$ cve CVE-2026-42471 JSON

CVE-2026-42471 EXPLOIT

8.1
HIGH · CVSS 3.1 · EPSS 1.9% (pctl 79)

Patch early

A public exploit exists.

Description

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.

Scoring

CVSS8.1 (HIGH, v3.1)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.91% — more likely to be exploited than 79% of all CVEs
WeaknessCWE-502
On CISA KEVno
Public exploityes
Published2026-05-01
Last modified2026-06-17

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD