Critical Oracle E-Business Suite Vulnerability: Full Takeover Possible
The National Vulnerability Database has disclosed CVE-2026-34275, a critical vulnerability in Oracle Advanced Inbound Telephony, a component of Oracle E-Business Suite. This flaw, rated with a CVSS 3.1 Base Score of 9.8, allows an unauthenticated attacker to achieve full system takeover via network access over HTTP.
The vulnerability affects Oracle E-Business Suite versions 12.2.3 through 12.2.15. Its ease of exploitation and the severe impact on confidentiality, integrity, and availability mean this isn’t just a theoretical risk; it’s a direct route to compromise for any exposed system. An attacker doesn’t need prior authentication or user interaction to exploit this, making it a prime target for opportunistic scanning and automated attacks.
This isn’t a bug you can ignore. Full takeover implies an attacker can not only exfiltrate sensitive data but also manipulate business processes, disrupt operations, or establish persistent access. Given the critical role E-Business Suite plays in many organizations, this vulnerability represents a significant operational and financial risk.
What This Means For You
- If your organization uses Oracle E-Business Suite with the Advanced Inbound Telephony product, specifically versions 12.2.3-12.2.15, you need to prioritize patching for CVE-2026-34275. Unauthenticated network access leading to full system takeover is as bad as it gets. Immediately identify all instances, confirm their versions, and apply the necessary security updates from Oracle.
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-34275 | RCE | Oracle Advanced Inbound Telephony product of Oracle E-Business Suite |
| CVE-2026-34275 | RCE | Oracle Advanced Inbound Telephony versions 12.2.3 through 12.2.15 |
| CVE-2026-34275 | RCE | Component: Setup and Administration |
| CVE-2026-34275 | RCE | Attack Vector: Network via HTTP |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 22, 2026 at 00:16 UTC |
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