CVE-2026-70795 in Applications Platform Engineering
Summary
by MITRE • 08/19/2026
Vulnerability in the Oracle Applications Platform Engineering product of Oracle E-Business Suite (component: Valid Session). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Applications Platform Engineering. Successful attacks of this vulnerability can result in takeover of Oracle Applications Platform Engineering. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Valid Session component of Oracle Applications Platform Engineering, a critical subsystem of Oracle E-Business Suite affecting versions 12.2.3 through 12.2.15. This flaw represents a significant security risk as it allows an unauthenticated attacker to compromise the integrity and availability of the application platform. The vulnerability is classified under CWE-287, which denotes Improper Authentication, indicating that the system fails to adequately verify the identity of users or processes attempting to access protected resources. Specifically, the defect lies in how the Valid Session module handles session validation requests received over Oracle Net, allowing malicious actors to bypass standard authentication mechanisms without providing valid credentials.
From a technical perspective, this vulnerability enables an attacker with network access via Oracle Net to execute unauthorized operations that lead to complete takeover of the Oracle Applications Platform Engineering environment. The exploitation does not require user interaction or complex preconditions beyond basic network connectivity, although it is noted as difficult to exploit due to specific environmental constraints or timing requirements inherent in the session validation logic. Despite this difficulty, the potential impact remains severe because successful exploitation grants the attacker full control over the platform engineering layer, which serves as a foundational service for many enterprise applications built on Oracle E-Business Suite.
The operational impact of this vulnerability is substantial, aligning with a CVSS 3.1 Base Score of 8.1, categorized as High severity. The vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) highlights that while the attack complexity is high and requires no user interface interaction, it originates from a network-accessible point with zero privileges required for initiation. Once exploited, the attacker achieves High impacts across Confidentiality, Integrity, and Availability. This means sensitive data can be exfiltrated, system configurations or application logic can be altered maliciously, and legitimate users may be denied access to critical business services due to service disruption or resource exhaustion caused by the compromised session handling mechanisms.
In terms of threat modeling, this vulnerability maps closely to MITRE ATT&CK techniques related to Initial Access and Privilege Escalation within enterprise environments. Attackers leveraging this flaw could establish a persistent foothold in the network infrastructure, potentially using the elevated privileges gained from platform engineering takeover as a pivot point for further lateral movement toward more sensitive databases or application tiers. The lack of authentication requirement makes it particularly dangerous in exposed internet-facing deployments where Oracle Net listeners are accessible without sufficient perimeter controls such as firewalls or intrusion detection systems configured to monitor anomalous session validation patterns.
Mitigation strategies must prioritize immediate patching and network segmentation. Organizations running affected versions 12.2.3 through 12.2.15 should apply the latest security patches provided by Oracle for Oracle E-Business Suite, which address the underlying code flaws in the Valid Session component. Until patches are applied, it is imperative to restrict direct network access to Oracle Net listeners from untrusted networks using strict firewall rules that limit source IP addresses to known, authorized clients only. Additionally, implementing Web Application Firewalls with specific rule sets designed to detect and block malformed or suspicious session validation requests can provide an additional layer of defense against exploitation attempts. Regular auditing of authentication logs for unusual patterns may also aid in early detection of attempted exploits targeting this vulnerability.