EUVD-2026-61579
GHSA-m472-9c58-56c5
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
HTTP network access with low-privilege credential required; scope change justified by integration bridge to external products; no availability impact observed.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Integration. While the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Integration accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).
AnalysisAI
Unauthorized data access in Oracle Siebel CRM Integration versions 25.12 through 26.6 allows low-privileged network attackers to read all CRM-accessible data and perform limited data manipulation via HTTP against the Open Integration component, with a confirmed scope change extending impact to additional integrated products. The vulnerability is tagged by Oracle as an Authentication Bypass, enabling a valid but low-privileged account to exceed its authorized access boundaries without elevated complexity or user interaction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires possession of a valid low-privileged Siebel CRM Integration credential - the PR:L CVSS metric confirms unauthenticated exploitation is not possible, and a session or account of some kind is a prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | With a CVSS 3.1 base score of 8.5, a network-accessible attack vector, low attack complexity, and only low-privilege requirements, this vulnerability represents a high-priority remediation target for any organization running Oracle Siebel CRM Integration in the affected version range. … 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 | The primary remediation is to apply the patch issued as part of Oracle's Critical Security Patch Update for August 2026, referenced 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 Siebel CRM Integration deployments running versions 25.12 through 26.6 and immediately restrict network access to the Open Integration HTTP component to only authorized administrative IP ranges; document all downstream integrated systems relying on Siebel data. …
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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