CVE-2026-83248 in Commerce Guided Search
Summary
by MITRE • 09/16/2026
Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Forge). The supported version that is affected is 11.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Commerce Guided Search / Oracle Commerce Experience Manager and unauthorized read access to a subset of Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Forge component of Oracle Commerce Guided Search and Oracle Commerce Experience Manager, specifically affecting version 11.4.0. This security flaw presents a significant risk to organizations relying on these platforms for e-commerce operations and content management due to its high severity rating. The core issue stems from an implementation error that allows unauthenticated attackers with network access via HTTP to exploit the system without requiring any user interaction or prior authentication credentials. This characteristic classifies the vulnerability as particularly dangerous in internet-facing deployments where direct exposure is common, enabling remote adversaries to target the service directly over standard web protocols.
From a technical perspective, the flaw enables two distinct categories of malicious activity: denial of service and unauthorized data access. The availability impact is severe, as successful exploitation can lead to complete system crashes or frequent repetitive hangs that render the Oracle Commerce Guided Search and Experience Manager services unavailable to legitimate users. This type of resource exhaustion attack disrupts business continuity by preventing customers from accessing products or managing content effectively. Simultaneously, the vulnerability grants unauthorized read access to a subset of accessible data within the application environment. While this may not provide full administrative control, it allows attackers to extract sensitive information that was intended for authenticated users only, potentially exposing customer details, product configurations, or internal system states depending on the specific data structures involved.
The operational impact of this vulnerability is substantial given its CVSS 3.1 base score of 8.2, which indicates a High severity level. The vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H) highlights that the attack requires no privileges and involves low complexity, making it easily exploitable by automated tools or script-kiddies alike. For e-commerce businesses, a complete denial of service can result in immediate revenue loss during peak traffic periods, while data leakage can lead to regulatory penalties under frameworks such as GDPR or CCPA if personal identifiable information is compromised. The combination of availability and confidentiality impacts means that even partial exploitation can cause significant reputational damage and operational disruption.
To mitigate this risk, organizations must apply the latest security patches provided by Oracle for version 11.4.0 immediately upon release. Until patching is feasible, implementing network-level controls such as Web Application Firewalls (WAF) with rules specifically targeting known exploit patterns associated with this vulnerability can provide a layer of defense. Additionally, restricting HTTP access to trusted IP ranges and enforcing strict authentication mechanisms where possible can reduce the attack surface. Monitoring logs for unusual spikes in request volume or repeated error responses indicative of crash attempts is also recommended as an early warning mechanism.
This vulnerability aligns with Common Weakness Enumeration (CWE) categories such as CWE-400, which describes uncontrolled resource consumption leading to denial of service, and potentially CWE-285 for improper authorization if the read access involves privilege escalation beyond intended boundaries. In terms of MITRE ATT&CK mapping, this behavior corresponds to techniques involving Resource Hijacking or Data Exfiltration over application layer protocols like HTTP(S). Security teams should prioritize remediation efforts based on these mappings to ensure comprehensive protection against both immediate exploitation and broader attack chains that might leverage similar weaknesses in adjacent components.