CVE-2026-65574 in Abogado Plugin
Summary
by MITRE • 08/06/2026
Unauthenticated PHP Object Injection in Abogado <= 1.18 versions.
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Analysis
by VulDB Data Team • 08/06/2026
The vulnerability identified as unauthenticated php object injection in abogado versions up to 1.18 represents a critical security flaw that allows remote attackers to execute arbitrary code on affected systems without requiring authentication credentials. This type of vulnerability falls under the category of deserialization attacks where malicious input is processed through php's unserialize function, leading to unintended code execution.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the application's object handling mechanisms. When abogado processes user-supplied data through its serialization framework, it fails to properly validate or escape objects before deserializing them. This creates an opportunity for attackers to craft malicious serialized objects that, when processed by the unserialize function, trigger unintended execution paths within the php runtime environment. The vulnerability specifically affects versions 1.18 and earlier, indicating that newer releases may have implemented proper input validation measures.
From an operational perspective, this vulnerability presents a severe risk to organizations deploying abogado software as it enables full remote code execution capabilities. Attackers can leverage this flaw to gain complete control over affected systems, potentially leading to data breaches, system compromise, and further lateral movement within network environments. The unauthenticated nature of the attack means that any individual with access to the application can exploit this vulnerability without requiring valid user credentials or privileged access, making it particularly dangerous in publicly accessible deployments.
The impact extends beyond immediate code execution to encompass potential privilege escalation and persistence mechanisms. Successful exploitation could allow attackers to establish backdoors, modify application functionality, steal sensitive data, or use compromised systems as launch points for broader attacks. Organizations relying on abogado for legal document management or case tracking may face significant regulatory and compliance implications if sensitive client information becomes compromised through this vulnerability.
Mitigation strategies should prioritize immediate patching of affected versions to the latest stable release where the vulnerability has been addressed. Additionally, implementing proper input validation and sanitization measures within the application's serialization handling code can prevent malicious objects from being processed. Network segmentation and access controls should be enforced to limit exposure of vulnerable systems, while monitoring solutions should be deployed to detect anomalous behavior indicative of exploitation attempts. This vulnerability aligns with CWE-502 which specifically addresses deserialization of untrusted data, and represents a technique commonly mapped to ATT&CK tactic TA0001 (Initial Access) and technique T1059 (Command and Scripting Interpreter) in threat modeling frameworks.
Organizations should conduct comprehensive security assessments of their abogado deployments to identify all affected systems and implement layered defense mechanisms. Regular security updates, vulnerability scanning, and application security testing should be integrated into organizational security practices to prevent similar issues from occurring in the future. The remediation process must include thorough testing of patched versions to ensure that functionality remains intact while addressing the underlying security flaw effectively.