EUVD-2026-61575
GHSA-9wh7-c6qq-6x35
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor states unauthenticated network HTTP takeover with low complexity and no user interaction, giving PR:N/UI:N/AC:L and full C:H/I:H/A:H on an unchanged scope.
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 of this vulnerability can result in takeover of Siebel CRM Integration. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full compromise of Oracle Siebel CRM Integration (Open Integration component) is possible by an unauthenticated remote attacker over HTTP, per Oracle's August 2026 Critical Patch Update. Affected releases span Siebel CRM Integration 25.12 through 26.6, and successful exploitation yields complete takeover of the Integration component with full confidentiality, integrity, and availability impact (CVSS 9.8). …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The required condition is network reachability of the Siebel CRM Integration Open Integration HTTP interface from the attacker's position - per CVSS AV:N/AC:L/PR:N/UI:N, no authentication, no user interaction, and no special client-side conditions are needed against affected 25.12-26.6 deployments. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals available point to a genuine high priority rather than an inflated score: the CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N with C:H/I:H/A:H reflects unauthenticated, low-complexity, remotely reachable full compromise, which is the profile attackers weaponize quickly once details or an exploit surface. … 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 the fixes from Oracle's Critical Patch Update of August 2026 (https://www.oracle.com/security-alerts/cspuaug2026.html) - patch available per vendor advisory; Oracle CPUs deliver the corrective patch for the affected 25.12-26.6 releases, and the exact fixed build should be taken from that advisory's patch matrix rather than inferred. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify and inventory all Siebel CRM Integration instances (versions 25.12-26.6), immediately restrict network access to the Open Integration component to internal networks only, enable enhanced logging on all CRM integration services, and review logs for exploitation attempts. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Siebel Crm
View allPrivilege-based takeover of Oracle Siebel CRM Cloud Applications (versions 22.3 through 26.6) is possible via the Siebel
Full compromise of Oracle Siebel CRM Integration (Open Integration component) is achievable by a low-privileged, network
Privilege escalation to full takeover in Oracle Siebel CRM Cloud Applications (Siebel Cloud Manager component, versions
Unauthenticated remote compromise of Oracle Siebel CRM Cloud Applications (versions 22.3 through 26.6) is possible throu
Full application takeover in Oracle Siebel CRM Cloud Applications (Siebel Cloud Manager component), versions 22.3 throug
Remote takeover of Oracle Siebel CRM Administration is possible via its Data Archival component, where an unauthenticate
Full system takeover in Oracle Siebel CRM Deployment's Server Infrastructure component is achievable by any low-privileg
Full application takeover in Oracle Siebel CRM Cloud Applications (versions 22.3-26.6) is achievable by any low-privileg
Siebel Cloud Manager in Oracle Siebel CRM Cloud Applications exposes a network-accessible, low-complexity attack path th
Full system takeover is achievable in Oracle Siebel CRM End User versions 17.0 through 26.6 via the Document Management
High-privileged remote exploitation of Oracle Siebel CRM Cloud Applications (versions 22.3 through 26.6) via the Siebel
Authentication bypass in Oracle Siebel CRM Integration (Open Integration component, versions 25.12-26.6) allows a remote
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today