EUVD-2026-61436
GHSA-8xg7-xjcj-7x2q
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
HTTP access via low-privilege credentials suffices; scope change confirmed by vendor; no availability impact documented in description or advisory.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Migration). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. While the vulnerability is in Siebel CRM Deployment, 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 Deployment accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Deployment 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 access to critical CRM data and partial data manipulation in Oracle Siebel CRM Deployment (versions 17.0-26.6) is achievable via the Migration component by any low-privileged attacker with HTTP network access, with a documented scope change indicating that successful exploitation can cascade to affect additional Oracle products beyond the directly targeted component. The CVSS 3.1 base score of 8.5 reflects low attack complexity and no user interaction requirement, making exploitation straightforward for any holder of a valid low-privilege credential. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid low-privilege account with HTTP network access to the Siebel CRM Deployment instance running versions 17.0 through 26.6. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.5 is well-supported by the underlying vector: network-accessible, low complexity, no user interaction, and a scope change that amplifies the blast radius beyond the immediately compromised component. … 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 Oracle's August 2026 Critical Patch Update (CPU), which addresses this vulnerability in Siebel CRM Deployment; the advisory is available at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit all Siebel CRM deployments to identify affected versions (17.0-26.6) and document the total number of low-privilege user accounts with active access to the system. …
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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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