Oracle PeopleSoft HubMBeanPersistance Deserialization of Untrusted Data Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle PeopleSoft. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within the HubMBeanPersistance method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account.
Additional Details
Oracle has issued an update to correct this vulnerability. More details can be found at:
https://www.oracle.com/security-alerts/alert-cve-2026-35273.html
Disclosure Timeline
- 2026-06-10 - Vulnerability reported to vendor
- 2026-06-24 - Coordinated public release of advisory
- 2026-06-24 - Advisory Updated
Credit
Bobby Gould (@bobbygould5) and Minh Giang of TrendAI Zero Day Initiative, Lucas Miller of TrendAI Research
