CVE-2026-78286
Received Received - Intake

Unauthenticated PHP Object Injection in Geo Controller

Publication date: 2026-08-27

Last updated on: 2026-08-27

Assigner: Patchstack

Description
Unauthenticated PHP Object Injection in Geo Controller <= 8.9.8 versions.

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Meta Information

Published
2026-08-27
Last Modified
2026-08-27
Generated
2026-08-27
AI Q&A
2026-08-27
EPSS Evaluated
N/A
NVD
CVE-2026-78286
EUVD
EUVD-2026-66943

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack geo_controller to 8.9.8 (inc)

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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 is an unauthenticated PHP Object Injection vulnerability affecting Geo Controller versions up to and including 8.8.9. It allows remote attackers to inject malicious PHP objects without authentication, potentially leading to code execution, data theft, or system compromise.

Impact Analysis

An attacker could exploit this to execute arbitrary code on your server, steal sensitive data, or take full control of the affected system. Since no authentication is required, any unpatched instance is immediately at risk of remote compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection and access controls. A breach may result in regulatory fines, legal liabilities, and reputational damage.

Mitigation Strategies

Update Geo Controller to the latest version (8.9.9 or higher) to patch the unauthenticated PHP Object Injection vulnerability. If immediate update is not possible, consider disabling the Geo Controller plugin or restricting network access to vulnerable endpoints until patched.

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