EUVD-2026-61373
GHSA-428f-f8mq-ff8w
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable via HTTP with low-privilege authentication; full takeover outcome justifies C:H/I:H/A:H with no scope change confirmed.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. 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
Siebel Cloud Manager in Oracle Siebel CRM Cloud Applications exposes a network-accessible, low-complexity attack path that allows any low-privileged authenticated user to fully take over the application via HTTP. Affected versions span 22.3 through 26.6, a multi-year range covering a substantial portion of the deployed base. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid low-privileged Siebel CRM account (confirmed by CVSS PR:L) combined with network-level HTTP access to the Siebel Cloud Manager component. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.8 reflects a realistic and serious threat: network-accessible over HTTP, low attack complexity, no user interaction required, and only low-level authenticated access needed to achieve full application takeover (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 | The primary remediation is to apply the patch provided through Oracle's August 2026 Critical Patch Update, available via https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all Siebel Cloud Manager instances and their versions (22.3-26.6), determine which systems have low-privilege user access, and assess business criticality of each deployment. …
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External POC / Exploit Code
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