CVE-2026-70813: Oracle Call Center Privilege Escalation

CVE-2026-70813 Overview

CVE-2026-70813 is a high-severity vulnerability in the Oracle Call Center Technology product of Oracle E-Business Suite, specifically within the Internal Operations component. Affected releases include supported versions 12.2.3 through 12.2.15. An authenticated attacker with low privileges can exploit the flaw over the network using HTTP, without user interaction. Successful exploitation results in full takeover of Oracle Call Center Technology, compromising confidentiality, integrity, and availability. Oracle disclosed the issue in its August 2026 Critical Security Patch Update advisory.

Critical Impact
Successful exploitation allows a low-privileged network attacker to take over Oracle Call Center Technology, resulting in complete compromise of confidentiality, integrity, and availability.

Affected Products

Oracle E-Business Suite — Oracle Call Center Technology 12.2.3
Oracle E-Business Suite — Oracle Call Center Technology versions 12.2.4 through 12.2.14
Oracle E-Business Suite — Oracle Call Center Technology 12.2.15

Discovery Timeline

2026-08-18 - CVE-2026-70813 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-70813

Vulnerability Analysis

The flaw resides in the Internal Operations component of Oracle Call Center Technology, a module of Oracle E-Business Suite. According to Oracle's advisory, the vulnerability is easily exploitable and requires only low-privileged access with network reachability over HTTP. Successful exploitation compromises the confidentiality, integrity, and availability of the application, leading to takeover of the Oracle Call Center Technology instance.

Because the vulnerable component is reachable via HTTP, exposed E-Business Suite deployments — including internet-facing ones — face elevated exposure. An attacker holding any low-privilege account within the environment can chain access to Internal Operations functionality and pivot to full application takeover.

Root Cause

Oracle has not published component-level technical details. Oracle's August 2026 Critical Security Patch Update advisory identifies the defect as residing in the Internal Operations component of Oracle Call Center Technology across versions 12.2.3 through 12.2.15. No CWE has been assigned in the NVD entry at time of publication.

Attack Vector

The attack vector is network-based over HTTP. The attacker must hold a valid low-privileged account, but no user interaction is required to trigger the vulnerability. Consult the Oracle Security Alert for authoritative technical details and fix references.

No public proof-of-concept exploit has been published. The EPSS score is 0.479% (percentile 39.5), indicating low predicted near-term exploitation likelihood, though this may change as details emerge.

Detection Methods for CVE-2026-70813

Indicators of Compromise

Unexpected HTTP requests targeting Oracle Call Center Technology Internal Operations endpoints from low-privileged accounts.
New or modified application user accounts, database objects, or scheduled concurrent programs in the E-Business Suite environment.
Anomalous outbound connections from the E-Business Suite middle-tier or database hosts.

Detection Strategies

Review Oracle HTTP Server and application access logs for unusual request patterns to Call Center Technology URLs, particularly from accounts without prior activity in that module.
Correlate authentication events with subsequent Internal Operations access to identify low-privileged accounts performing privileged operations.
Baseline normal Call Center Technology traffic and flag deviations in request volume, source IP, or user-agent.

Monitoring Recommendations

Enable Oracle E-Business Suite audit policies for the Call Center Technology module and forward logs to a centralized SIEM.
Monitor for the creation of new application privileges, role grants, or database schema changes following the CVE disclosure date.
Alert on process execution and file writes originating from the E-Business Suite application server that deviate from baseline behavior.

How to Mitigate CVE-2026-70813

Immediate Actions Required

Apply the fixes referenced in the Oracle Critical Security Patch Update — August 2026 as soon as change management permits.
Inventory all Oracle E-Business Suite deployments running Call Center Technology versions 12.2.3 through 12.2.15.
Restrict network access to the E-Business Suite HTTP tier so that only trusted networks and users can reach Call Center Technology endpoints.
Review and reduce standing privileges on E-Business Suite application accounts to limit the pool of accounts capable of triggering the flaw.

Patch Information

Oracle addressed CVE-2026-70813 as part of its August 2026 Critical Security Patch Update. Refer to the Oracle Security Alert for patch identifiers, prerequisite versions, and post-patch validation steps applicable to each supported release from 12.2.3 through 12.2.15.

Workarounds

Place Oracle E-Business Suite behind a web application firewall and restrict access to Call Center Technology URLs to authorized internal networks.
Disable or gate access to unused Call Center Technology functionality where operationally feasible.
Enforce multi-factor authentication and rotate credentials for all E-Business Suite user accounts to reduce the risk of low-privileged account misuse.

bash

# Example: restrict access to Call Center Technology paths at the reverse proxy
# Replace <trusted-cidr> with your administrative network range
location /OA_HTML/ {
    allow <trusted-cidr>;
    deny all;
    proxy_pass http://ebs-backend;
}