Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Reachable over HTTP without credentials (AV:N/PR:N/UI:N) but Oracle-rated difficult to exploit (AC:H); full read/write to iSupport data gives C:H/I:H, no availability impact so A:N.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle iSupport product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle iSupport. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle iSupport accessible data as well as unauthorized access to critical data or complete access to all Oracle iSupport accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
AnalysisAI
Data compromise in Oracle iSupport (Oracle E-Business Suite, Internal Operations component) versions 12.2.3 through 12.2.15 allows a remote unauthenticated attacker to reach the application over HTTP and gain read and write access to all iSupport-accessible data. The flaw carries a CVSS 3.1 base score of 7.4 with high confidentiality and integrity impact but no availability impact, and Oracle rates it difficult to exploit (AC:H). No public exploit has been identified at time of analysis, it is not listed in CISA KEV, and no EPSS score was supplied.
Technical ContextAI
Oracle iSupport is the web-based customer self-service and support portal module of Oracle E-Business Suite (EBS), Oracle's on-premises enterprise ERP suite; the affected component is 'Internal Operations'. Because the vector is AV:N over HTTP with PR:N, the vulnerable code path is reachable through the internet-facing/HTTP tier of EBS without a session, consistent with the 'Authentication Bypass' tag supplied in the intelligence. No CWE was assigned by NVD/Oracle, so the precise root-cause class (e.g., broken authentication or access control) cannot be stated with certainty; the combined C:H/I:H, A:N profile indicates an attacker can read and alter iSupport data but cannot degrade availability, pointing to an authorization/authentication logic defect rather than memory corruption or a denial-of-service bug.
RemediationAI
Apply the fixes delivered in Oracle's July 2026 Critical Patch Update (Patch available per vendor advisory: https://www.oracle.com/security-alerts/cpujul2026.html); Oracle does not publish a separate point-release version for individual EBS CVEs, so the CPU patch level for EBS 12.2 is the fix - no independent standalone fix version was provided in the input, so verify the exact CPU patch number against your EBS 12.2.x baseline in My Oracle Support. Until the CPU is applied, reduce exposure by restricting network access to the iSupport/Internal Operations endpoints, placing the EBS HTTP tier behind a VPN or reverse proxy with IP allow-listing, and using EBS URL Firewall / DMZ URL-restriction configuration to block untrusted external access to iSupport modules (trade-off: this can break legitimate external customer self-service access, so scope allow-lists carefully). Monitor iSupport HTTP logs for anomalous unauthenticated requests to Internal Operations paths as a detective control.
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-47126
GHSA-3cc5-g33j-226j