CVE-2026-91532 in Applications Manager
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Applications Manager product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Applications Manager. Successful attacks of this vulnerability can result in takeover of Oracle Applications Manager. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Internal Operations component of Oracle Applications Manager, a critical management tool embedded in Oracle E-Business Suite versions ranging from 12.2.3 through 12.2.15. This security flaw represents a significant risk to enterprise environments relying on these specific releases for application lifecycle management and system administration tasks. The vulnerability is classified as easily exploitable, indicating that the technical barriers required to trigger the exploit are minimal, thereby increasing the likelihood of successful attacks by malicious actors who have identified this software version in their target landscape.
From a technical perspective, the core flaw allows an attacker with low privileges and network access via HTTP to compromise the integrity and availability of the Oracle Applications Manager interface. The attack vector is remote over the network, meaning that physical proximity or local system access is not required for exploitation. The requirement for low-privileged accounts suggests that even users with limited administrative rights within the E-Business Suite environment can leverage this vulnerability to escalate their privileges effectively. This characteristic aligns closely with CWE Category 269, which covers Improper Privilege Management, and specifically points toward mechanisms where insufficient access controls allow unauthorized elevation of privilege or unauthorized execution of administrative functions.
The operational impact of a successful exploitation is severe, as indicated by the CVSS v3.1 base score of 8.8, categorized as High severity. The vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reveals that confidentiality, integrity, and availability are all heavily impacted. An attacker achieving successful exploitation can take over the Oracle Applications Manager instance entirely. This takeover capability implies that the adversary gains comprehensive control over the management interface, potentially allowing them to modify system configurations, access sensitive data stored within the E-Business Suite database, disrupt service availability by terminating critical processes, or install persistent backdoors for future lateral movement. In a corporate environment, this could lead to significant data breaches and operational downtime.
In terms of threat modeling and adversary behavior, this vulnerability facilitates actions consistent with MITRE ATT&CK techniques related to Privilege Escalation and Defense Evasion. An attacker might use the compromised Applications Manager instance to manipulate system settings or extract credentials that provide further access into the broader network infrastructure. The lack of user interaction required (UI:N) means that automated scanning tools can rapidly identify and exploit this weakness across multiple hosts, amplifying the risk of widespread compromise in unpatched environments.
To mitigate this vulnerability, organizations must prioritize applying the latest security patches provided by Oracle for their specific E-Business Suite version. Since the affected range includes versions from 12.2.3 to 12.2.15, administrators should verify whether they are running a patched release that addresses this internal operations flaw. If immediate patching is not feasible due to operational constraints, implementing strict network segmentation and firewall rules to restrict HTTP access to Oracle Applications Manager ports only from trusted management networks can reduce the attack surface. Additionally, enforcing multi-factor authentication for all administrative accounts associated with E-Business Suite adds a layer of defense that may hinder attackers even if they successfully exploit this specific vulnerability. Regular auditing of user privileges within the application ensures that low-privileged users do not possess unnecessary access to sensitive management interfaces, thereby reducing the potential impact should such vulnerabilities be discovered in other components.