CVE-2026-32355
Published: 13 March 2026
Summary
CVE-2026-32355 is a high-severity Deserialization of Untrusted Data (CWE-502) vulnerability. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 19.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Patching the JetEngine plugin to version 3.8.4.1 or later directly remediates the deserialization of untrusted data vulnerability as specified in the advisory.
Validating all information inputs prior to deserialization prevents object injection exploitation in the vulnerable JetEngine plugin.
Vulnerability scanning identifies the presence of vulnerable JetEngine versions prior to 3.8.4.1, enabling timely flaw remediation.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Deserialization/object injection flaw in public-facing WordPress plugin directly enables remote exploitation for initial access (T1190) and arbitrary code execution via shell commands (T1059.004); low-privilege auth to full compromise also maps to privilege escalation (T1068).
NVD Description
Deserialization of Untrusted Data vulnerability in Crocoblock JetEngine jet-engine allows Object Injection.This issue affects JetEngine: from n/a through < 3.8.4.1.
Deeper analysisAI
CVE-2026-32355 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the Crocoblock JetEngine WordPress plugin, enabling Object Injection. The issue affects all versions of JetEngine prior to 3.8.4.1. It carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to its potential for significant confidentiality, integrity, and availability impacts.
An authenticated attacker with low privileges can exploit this vulnerability remotely with low complexity and no user interaction required. Successful exploitation allows object injection, potentially leading to arbitrary code execution, data manipulation, or system compromise on the targeted WordPress site.
Patchstack's advisory for this vulnerability recommends updating the JetEngine plugin to version 3.8.4.1 or later, where the deserialization flaw has been addressed. No additional workarounds are specified in the provided reference.
Details
- CWE(s)