CVE-2026-83133 in iStore
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle iStore product of Oracle E-Business Suite (component: Shopping Cart). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle iStore. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle iStore accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Oracle iStore component of the Oracle E-Business Suite, specifically affecting versions ranging from 12.2.3 through 12.2.15. This security flaw is located in the Shopping Cart functionality and represents a critical risk to organizations relying on this e-commerce platform for their business operations. The vulnerability allows an unauthenticated attacker with network access via HTTP to compromise the integrity of the Oracle iStore application. Because the attack vector requires no prior authentication, it significantly lowers the barrier to entry for malicious actors who can exploit this weakness remotely over standard web protocols without needing valid credentials or user interaction.
From a technical perspective, the flaw enables unauthorized access to critical data stored within the system. The severity of this issue is quantified by a CVSS 3.1 Base Score of 7.5, which classifies it as High Severity. This score is driven primarily by high confidentiality impacts, indicating that successful exploitation leads to significant exposure of sensitive information while leaving integrity and availability largely unaffected in the immediate scope of this specific vector. The attack complexity is low, requiring no special conditions or user interaction, making it a straightforward target for automated scanning tools and opportunistic attackers seeking to exfiltrate data from vulnerable instances.
The operational impact of exploiting this vulnerability can be severe for affected enterprises. Successful attacks result in unauthorized access not only to critical business data but potentially complete access to all Oracle iStore accessible data. This level of compromise allows an attacker to view customer personal information, transaction histories, payment details, and other proprietary business intelligence that is stored within the shopping cart module. Such exposure violates privacy regulations such as GDPR or CCPA depending on jurisdiction and can lead to substantial financial penalties, reputational damage, and loss of customer trust. The ability to access all data implies a total breach of confidentiality for any information processed through this specific component during an active session or accessible via subsequent requests if the vulnerability allows persistent state manipulation.
In terms of industry standard classifications, this vulnerability aligns with CWE-284 Improper Access Control and potentially CWE-613 Insufficient Session Expiration if the access is tied to session management flaws within the shopping cart logic. From a threat modeling perspective using MITRE ATT&CK, this behavior corresponds to techniques under Tactic TA0001 Initial Access or TA0007 Discovery, specifically leveraging unauthenticated API endpoints or web application vulnerabilities to gather intelligence and sensitive data without detection by traditional authentication-based security controls. The lack of required user interaction places it firmly in the realm of automated exploitation vectors that are commonly targeted by botnets scanning for exposed enterprise applications.
To mitigate this risk, organizations running Oracle E-Business Suite versions 12.2.3 through 12.2.15 must apply the latest security patches provided by Oracle immediately. It is critical to verify whether the specific instance has been updated past version 12.2.16 or later where these flaws are addressed. In addition to patching, implementing network-level controls such as Web Application Firewalls can help detect and block exploit attempts targeting the shopping cart endpoints before they reach the application layer. Restricting HTTP access to only necessary IP ranges and enforcing HTTPS with strong certificate validation further reduces the attack surface by ensuring that any communication is encrypted and restricted to authorized sources until a permanent fix is deployed. Regular vulnerability scanning of external-facing e-commerce components should be conducted to identify similar misconfigurations or unpatched software in the environment.