What is CVE-2026-57713?

CVE-2026-57713 is a high-severity vulnerability in Marcus (Aka @Msykes) Events Manager, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-07-13.

How severe is CVE-2026-57713?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Marcus (Aka @Msykes) Events Manager

CVE-2026-57713

Deserialization of Untrusted Data vulnerability in Marcus (aka @msykes) Events Manager events-manager allows Object Injection.This issue affects Events Manager: from n/a through <= 7.3.6.

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Marcus (Aka @Msykes) Events Manager — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-57713?: CVE-2026-57713 is a high-severity vulnerability in Marcus (Aka @Msykes) Events Manager, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-07-13.
How severe is CVE-2026-57713?: High severity. CVSS v3 base score is 8.8 out of 10.