CVE-2026-32509 in Gracey Plugin
Summary
by MITRE • 03/25/2026
Deserialization of Untrusted Data vulnerability in Edge-Themes Gracey gracey allows Object Injection.This issue affects Gracey: from n/a through < 1.4.
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Analysis
by VulDB Data Team • 04/01/2026
The vulnerability identified as CVE-2026-32509 represents a critical deserialization flaw in the Edge-Themes Gracey gracey theme component that enables object injection attacks. This weakness occurs when the application processes untrusted data through deserialization mechanisms without proper validation or sanitization, creating a pathway for malicious actors to inject arbitrary objects into the application's memory space. The vulnerability specifically impacts versions of Gracey from the initial release through versions prior to 1.4, indicating that users operating within this version range are exposed to potential exploitation.
The technical root cause of this vulnerability aligns with CWE-502, which categorizes deserialization of untrusted data as a dangerous practice that can lead to remote code execution or arbitrary object injection. When the Gracey theme component deserializes user-supplied data, it fails to implement adequate input validation or type checking mechanisms that would normally prevent malicious objects from being instantiated within the application's runtime environment. This flaw allows attackers to craft specially formatted serialized data that, when processed by the vulnerable component, results in unintended object instantiation and execution of malicious code within the application context.
The operational impact of this vulnerability extends beyond simple data corruption or application instability. Attackers exploiting this weakness could potentially achieve full system compromise through remote code execution, especially if the application runs with elevated privileges or has access to sensitive system resources. The object injection capability provides adversaries with multiple attack vectors including but not limited to privilege escalation, data exfiltration, or establishment of persistent backdoors within the affected system. The vulnerability's presence in a theme component suggests that it may be triggered through user interaction with web content or theme customization features, making it particularly dangerous in environments where users have the ability to upload or modify theme elements.
Mitigation strategies for this vulnerability should focus on immediate version upgrades to Gracey 1.4 or later, which presumably contain the necessary patches to address the deserialization flaw. Organizations should implement strict input validation and sanitization measures for any data that passes through deserialization processes, including the implementation of allowlists for acceptable object types and the use of secure deserialization libraries that prevent instantiation of dangerous classes. Security teams should also consider implementing network segmentation and monitoring to detect anomalous deserialization activities that may indicate exploitation attempts. Additionally, the vulnerability's classification under ATT&CK technique T1210 suggests that defenders should monitor for suspicious deserialization patterns and implement application whitelisting controls to prevent execution of unauthorized code within the application environment.