EUVD-2026-61434
GHSA-cg4w-g9hf-hmvh
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
REST endpoint is network-reachable with no authentication required; high confidentiality impact from full data read, no integrity impact, and only partial availability impact.
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 and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM Integration. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).
AnalysisAI
Unauthenticated remote access to Oracle Siebel CRM Integration's REST component (versions 17.0 through 26.6) exposes all CRM integration data to unauthorized disclosure and enables partial denial of service via plain HTTP. The vulnerability requires no credentials, no user interaction, and no special configuration beyond the REST interface being reachable, making it exploitable by any network-adjacent or internet-facing attacker. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The Siebel CRM Integration REST component must be reachable by the attacker over HTTP - no special configuration, feature flag, or non-default deployment mode is required beyond the product being deployed with its REST interface accessible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L) presents a consistent and credible risk picture: network-accessible, zero-prerequisite exploitation with high confidentiality impact and low availability impact. … 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 released in August 2026, details and download links available via the Oracle security advisory at https://www.oracle.com/security-alerts/cspuaug2026.html; the exact patched version number is not independently confirmed from available data and must be verified directly in that advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Oracle Siebel CRM Integration instances running versions 17.0 through 26.6 and immediately restrict network access to the REST API endpoints using firewall rules or network segmentation, limiting access to trusted internal networks only. …
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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