CVE-2026-42687
Deferred Deferred - Pending Action
Unauthenticated PHP Object Injection in EventPrime

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description
Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.
CVSS Scores
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Meta Information
Published
2026-06-15
Last Modified
2026-06-15
Generated
2026-06-16
AI Q&A
2026-06-16
EPSS Evaluated
N/A
NVD
CVE-2026-42687
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
eventprime eventprime to 4.3.2.1 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

This vulnerability is an unauthenticated PHP Object Injection affecting EventPrime versions up to and including 4.3.2.1. It allows an attacker to inject malicious PHP objects without needing to be authenticated.

Impact Analysis

The vulnerability has a high severity with a CVSS score of 8.1, indicating it can have a significant impact. It can lead to complete compromise of confidentiality, integrity, and availability of the affected system, potentially allowing attackers to execute arbitrary code or disrupt services.

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