EUVD-2026-61435
GHSA-v485-ff4v-365p
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Concurs with vendor vector: network-accessible REST API, unauthenticated (PR:N), high complexity exploitation condition (AC:H), no availability impact observed.
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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebel CRM Integration. 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 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
AnalysisAI
Oracle Siebel CRM Integration's REST component (versions 17.0 through 26.6) contains an authentication bypass flaw enabling unauthenticated network attackers to fully compromise data confidentiality and integrity over HTTPS. The 'Authentication Bypass' tag from the Oracle reporter confirms the vulnerability class: an attacker who satisfies the high-complexity exploitation condition can read all CRM data and perform unauthorized creation, modification, or deletion of records. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires unauthenticated network access over HTTPS to the Siebel CRM Integration REST API endpoint - no credentials, session tokens, or existing account are required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.4 (High) is driven by network accessibility (AV:N), no required authentication (PR:N), no user interaction needed (UI:N), and high confidentiality and integrity impacts - substantially offset by AC:H (high attack complexity), meaning a specific, non-trivial condition must be met by 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 August 2026 Critical Patch Update, documented at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all production systems running Oracle Siebel CRM Integration versions 17.0-26.6 and immediately restrict network access to the REST component to authorized administrators only; enable comprehensive logging of all authentication and API requests with alerting on failures. …
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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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