EUVD-2026-61418
GHSA-xpfp-2827-6j88
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor-provided vector aligns with description; PR:L reflects valid account requirement, AC:L confirms no special conditions, full C/I/A consistent with explicit takeover outcome.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). 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 Apps - Marketing. Successful attacks of this vulnerability can result in takeover of Siebel Apps - Marketing. 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 in Oracle Siebel CRM's Marketing component is achievable by low-privileged authenticated attackers over HTTP across all versions 17.0 through 26.6. The CVSS 3.1 score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects low attack complexity with no user interaction required, yielding complete confidentiality, integrity, and availability compromise. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | A valid low-privileged Siebel CRM account is required (PR:L) - unauthenticated external attackers cannot exploit this vulnerability without first obtaining credentials. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.8 is well-supported by the provided vector: the attack is network-based, requires no elevated privileges (PR:L is the minimum bar of a valid account), involves no user interaction, and produces full C:H/I:H/A:H impact - a classic 'low-hanging fruit for insiders or compromised accounts' profile. … 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 Critical Patch Update for August 2026, available at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses this vulnerability in Siebel Apps - Marketing versions 17.0 through 26.6. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an inventory of all Siebel CRM instances running versions 17.0 through 26.6, with particular focus on Marketing component deployments and network-exposed systems; implement immediate network access controls to restrict connectivity to trusted administrative networks only. …
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External POC / Exploit Code
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