EUVD-2026-61369
GHSA-c5jq-rmxq-xhvm
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description states unauthenticated network HTTP exploitation with full application takeover, giving AV:N/AC:L/PR:N/UI:N and high confidentiality, integrity, and availability impact.
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 unauthenticated 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full application takeover in Oracle Siebel CRM Cloud Applications (Siebel Cloud Manager component), versions 22.3 through 26.6, lets a remote unauthenticated attacker fully compromise the system over HTTP. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) with a 9.8 base score and full high impact on confidentiality, integrity, and availability marks this as a pre-authentication, network-reachable critical flaw disclosed in Oracle's August 2026 Critical Patch Update. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network HTTP access to the Siebel Cloud Manager component of Siebel CRM Cloud Applications running any version from 22.3 through 26.6; per the CVSS vector (AV:N/AC:L/PR:N/UI:N) no authentication, no user interaction, and no special non-default configuration are stated as prerequisites, so a reachable instance is exploitable by an unauthenticated remote attacker. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This scores at the top of the risk band across the signals that are present: the CVSS 3.1 vector is fully network, low-complexity, no-privileges, no-user-interaction with high impact on all three security properties, so any operator running an internet- or intranet-reachable Siebel Cloud Manager should treat this as urgent and patch on Oracle's critical timeline rather than the routine cycle. … 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 the fixes in Oracle's August 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cspuaug2026.html); this is 'Patch available per vendor advisory' - a specific fixed build number is not enumerated in the provided data, so obtain the exact patch level for your version from that advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Siebel Cloud Manager instances running versions 22.3 through 26.6 and restrict external network access through firewall rules or network segmentation to limit attack surface. …
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External POC / Exploit Code
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