EUVD-2026-61898
GHSA-c64q-47j3-675x
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible HTTP component, low complexity, any end-user credential sufficient (PR:L), full CIA impact consistent with 'takeover' characterization, unchanged scope.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Document Management). 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 End User. Successful attacks of this vulnerability can result in takeover of Siebel CRM End User. 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 system takeover is achievable in Oracle Siebel CRM End User versions 17.0 through 26.6 via the Document Management component over HTTP, exploitable by any low-privileged authenticated user without user interaction. The CVSS 8.8 score reflects complete confidentiality, integrity, and availability impact, consistent with the vendor's characterization of 'takeover' of the End User instance. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid low-privileged authenticated account within the Oracle Siebel CRM End User application - any standard end-user credential is sufficient per the CVSS PR:L rating. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H presents a strong real-world risk signal: network reachable, low complexity, no user interaction required, and full CIA impact. … 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 August 2026 Critical Security Patch Update (CSPU), 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, identify and inventory all Oracle Siebel End User deployments (versions 17.0-26.6) in your environment, documenting exact versions, network accessibility, and user access levels. …
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External POC / Exploit Code
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