EUVD-2026-61859
GHSA-fhh5-4qvx-hrrg
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-accessible REST API requires no credentials per the authentication bypass tag; impact is confidentiality-only with no integrity or availability effect confirmed in available data.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
AnalysisAI
Unauthenticated remote data exposure in Oracle Siebel CRM Integration's REST component allows network attackers to read all CRM-accessible data without credentials across versions 17.0 through 26.6. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms this is exploitable with no authentication and minimal attack complexity, yielding complete confidentiality loss. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required beyond network reachability of the Siebel CRM Integration REST component via HTTP. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 High score is well-supported by the vector metrics: network-reachable (AV:N), trivially exploitable (AC:L), requiring no credentials (PR:N) and no user interaction (UI:N), with complete confidentiality loss (C: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 | Apply Oracle's August 2026 Critical Security Patch Update (CPU) as described in the advisory at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all Oracle Siebel CRM Integration deployments on versions 17.0-26.6 and document network exposure, particularly internet-facing REST endpoints. …
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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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