EUVD-2026-61702
GHSA-v773-v4xj-27m7
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-exposed Customer Tab requires only portal-level credentials (PR:L/AV:N/AC:L); Oracle-confirmed full takeover justifies C:H/I:H/A:H with no scope change.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Customers Online product of Oracle E-Business Suite (component: Customer Tab). 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 Customers Online. Successful attacks of this vulnerability can result in takeover of Oracle Customers Online. 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).
AnalysisAI
Full takeover of Oracle Customers Online (E-Business Suite component) is achievable by any low-privileged authenticated user over HTTP, across versions 12.2.3 through 12.2.15. The Customer Tab component contains a flaw that, when exploited, yields complete confidentiality, integrity, and availability compromise - Oracle's own description uses the word 'takeover.' No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity and broad authentication baseline (any portal account qualifies) make this a critical patching priority for Oracle EBS deployments.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must possess a valid low-privileged account in Oracle Customers Online - this is the single gating prerequisite identified in the CVE data. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.8 is well-supported by the described impact: network-accessible (AV:N), trivially exploitable (AC:L), requiring only low-level authentication (PR:L), no victim interaction (UI:N), and full CIA impact (C:H/I:H/A:H). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply Oracle's Critical Security Patch Update for August 2026, documented at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle EBS 12.2.3-12.2.15 instances with Customer Online enabled and map the portal user population, then implement network segmentation restricting portal access to business-essential personnel only and deploy Web Application Firewall rules to monitor and block exploitation attempts on the Customer Tab component. …
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More in Customers Online
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Broad data compromise in Oracle Customers Online (Oracle E-Business Suite, Internal Operations component), versions 12.2
Data compromise in Oracle Customers Online (a module of Oracle E-Business Suite, Internal Operations component) versions
Vulnerability in the Oracle Customers Online product of Oracle E-Business Suite (component: Customer Tab). Rated high se
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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