EUVD-2026-61574
GHSA-m4r8-ffj2-843v
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Network-delivered authentication bypass with no attacker privileges; user interaction required as delivery trigger; no availability impact per description; my independent assessment aligns with Oracle's published vector.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Integration accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N).
AnalysisAI
Remote authentication bypass in Oracle Siebel CRM Integration (Open Integration component, versions 25.12-26.6) allows unauthenticated network attackers via HTTP to achieve full confidentiality and integrity compromise of CRM data when a victim user interacts with attacker-controlled content. The vulnerability enables unauthorized read, create, delete, and modification access to all Siebel CRM Integration accessible data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to the Siebel CRM Integration Open Integration component via HTTP - if the endpoint is not publicly reachable (e.g., restricted to internal networks or VPN), the attack surface is substantially reduced. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 Base Score of 8.1 (High) reflects high confidentiality and integrity impacts across all Siebel CRM Integration accessible data, with network accessibility and no authentication required for the attacker. … 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 Security Patch Update (CPU) for August 2026, published at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses CVE-2026-62591. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify and document all internal systems running Siebel CRM Integration versions 25.12 through 26.6, map their network exposure, and immediately restrict HTTP access to this component to known internal IP ranges only. …
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
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