Oracle Call Center Technology: Improper access control via RMI
Summary
Oracle Call Center Technology, a module of Oracle E-Business Suite versions 12.2.3 through 12.2.15, contains an improper access control flaw (CWE-284). An unauthenticated attacker with network access via RMI can compromise the module, and Oracle describes the impact as takeover of the product. Exploitation is difficult (high attack complexity), and the flaw is listed in Oracle's October 2026 Critical Patch Update.
Affected
- Oracle E-Business Suite, Oracle Call Center Technology (Internal Operations component)
- Supported versions 12.2.3 through 12.2.15
Fixed in
Unknown. Confirm the fixed patch in Oracle's October 2026 Critical Patch Update advisory or in My Oracle Support.
Workaround
Unknown. No workaround is documented for this CVE.
Exploitation
- No public report of exploitation found.
- No public proof of concept found.
- CISA SSVC: exploitation none, not automatable, technical impact total.
Our recommendation
- Check whether Oracle E-Business Suite with the Call Center Technology module is in use.
- Apply the October 2026 Oracle Critical Patch Update after confirming the patch in Oracle's advisory.
- Verify whether the EBS web tier and RMI ports are reachable from the internet, and restrict them to VPN or internal networks.
- Review logs for unusual requests to Internal Operations endpoints.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Oracle October 2026 Critical Patch Update www.oracle.com
- Vulners CVE record CVE-2026-101672 vulners.com
- Vulners NVD record CVE-2026-101672 vulners.com
- Strix CVE-2026-101672 www.strix.ai
- Waratek: Oracle October 2026 CPU waratek.com
- Rescana: Oracle E-Business Suite advisory (secondary) www.rescana.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 1 Nov 2026, 18:27.
Original description (NVD)
Vulnerability in the Oracle Call Center Technology product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via RMI to compromise Oracle Call Center Technology. Successful attacks of this vulnerability can result in takeover of Oracle Call Center Technology. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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