CVE-2026-24378
Received Received - Intake
Deserialization Object Injection in EventPrime

Publication date: 2026-03-25

Last updated on: 2026-04-23

Assigner: Patchstack

Description
Deserialization of Untrusted Data vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Object Injection.This issue affects EventPrime: from n/a through <= 4.2.8.0.
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Meta Information
Published
2026-03-25
Last Modified
2026-04-23
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-24378
EUVD
EUVD-2026-15573
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
metagauss eventprime to 4.2.8.0 (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 a Deserialization of Untrusted Data issue in Metagauss EventPrime eventprime-event-calendar-management. It allows Object Injection, meaning that untrusted data can be deserialized in a way that could lead to malicious objects being injected into the application.

The affected versions are EventPrime from an unspecified version up to and including 4.2.8.0.

Impact Analysis

Exploitation of this vulnerability could allow an attacker to inject malicious objects into the application through deserialization of untrusted data. This can lead to various impacts such as remote code execution, data manipulation, or application compromise depending on how the injected objects are handled.

Compliance Impact

The provided information does not specify any direct impact of the CVE-2026-24378 vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.

Detection Guidance

The provided resources do not include specific detection methods or commands to identify this vulnerability on your network or system.

Mitigation Strategies

To mitigate the CVE-2026-24378 vulnerability in the EventPrime Plugin, immediately update the plugin to version 4.2.8.1 or later.

Until the update is applied, you can enable Patchstack's automatic mitigation rules to block attacks targeting this vulnerability.

If you are a Patchstack user, enabling auto-updates specifically for vulnerable plugins is recommended to ensure ongoing protection.

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