CVE-2026-60704: Siebel CRM Auth Bypass Vulnerability

CVE-2026-60704 Overview

CVE-2026-60704 is a high-severity vulnerability in Oracle Siebel CRM Cloud Applications, specifically within the Siebel Cloud Manager component. The flaw affects supported versions 22.3 through 26.5. An unauthenticated attacker with network access via HTTP can exploit this issue without user interaction. Successful exploitation results in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data.

Oracle disclosed this vulnerability in the Oracle Security Alert July 2026. The vulnerability impacts confidentiality only, with no direct impact on data integrity or system availability.

Critical Impact
Unauthenticated remote attackers can read all data accessible to Siebel CRM Cloud Applications, exposing customer records, business data, and CRM configurations.

Affected Products

Oracle Siebel CRM Cloud Applications version 22.3 through 26.5
Siebel Cloud Manager component
Oracle Siebel CRM deployments exposing HTTP interfaces to untrusted networks

Discovery Timeline

2026-07-21 - CVE-2026-60704 published to NVD
2026-07-21 - Last updated in NVD database
July 2026 - Oracle releases patch via Critical Patch Update

Technical Details for CVE-2026-60704

Vulnerability Analysis

The vulnerability resides in the Siebel Cloud Manager component of Oracle Siebel CRM Cloud Applications. An attacker sends crafted HTTP requests to the exposed Siebel Cloud Manager interface without authenticating. The application processes these requests without enforcing proper access controls, returning data the caller should not access.

Because the CVSS vector specifies PR:N and UI:N, no credentials or victim interaction are required. The AC:L designation indicates the attack requires no special conditions or timing. Only confidentiality is impacted, meaning data integrity and service availability remain intact during exploitation.

The EPSS score of 0.316% places the vulnerability in the 23.8 percentile for exploitation likelihood at the time of publication. No public proof-of-concept has been released, and CISA has not added the CVE to its Known Exploited Vulnerabilities catalog.

Root Cause

Oracle's advisory does not disclose the specific root cause. Based on the CVSS profile and confidentiality-only impact, the flaw likely stems from missing or improperly enforced authorization checks in an HTTP-accessible endpoint of the Siebel Cloud Manager. This pattern falls under Broken Access Control and can also present as Information Exposure.

Attack Vector

The attack vector is network-based over HTTP. An attacker identifies an internet-exposed or intranet-reachable Siebel Cloud Manager endpoint and issues HTTP requests that trigger the vulnerable code path. Because no authentication is required, mass scanning and automated exploitation are feasible against exposed instances.

No verified public exploit code is available. Refer to the Oracle Security Alert July 2026 for vendor-provided technical context.

Detection Methods for CVE-2026-60704

Indicators of Compromise

Unauthenticated HTTP requests to Siebel Cloud Manager endpoints from external or unexpected internal source addresses
Unusual volumes of successful HTTP 200 responses returning large payloads from Siebel Cloud Manager URLs
Sequential enumeration patterns targeting Siebel object identifiers or record IDs
Access log entries lacking session tokens or authentication headers on data-returning endpoints

Detection Strategies

Baseline expected traffic to Siebel Cloud Manager and alert on requests originating from outside authorized IP ranges
Inspect web server and reverse proxy logs for requests to Siebel Cloud Manager paths without a valid session cookie or bearer token
Correlate anomalous data egress volumes from Siebel application servers with HTTP request bursts

Monitoring Recommendations

Enable verbose HTTP access logging on all Siebel front-end servers and forward logs to a centralized SIEM
Monitor Web Application Firewall (WAF) telemetry for scan signatures targeting /siebel/ or Cloud Manager URIs
Track outbound data flows from database tiers supporting Siebel to detect bulk data extraction

How to Mitigate CVE-2026-60704

Immediate Actions Required

Apply the July 2026 Oracle Critical Patch Update to all Siebel CRM Cloud Applications instances running versions 22.3 through 26.5
Restrict network access to the Siebel Cloud Manager component to trusted management networks only
Audit HTTP access logs since the deployment of affected versions for signs of unauthenticated data retrieval
Rotate any credentials, tokens, or secrets that may have been exposed through Siebel-managed data

Patch Information

Oracle published fixes for CVE-2026-60704 in the July 2026 Critical Patch Update. Administrators should review the Oracle Security Alert July 2026 advisory for the exact patch identifiers matching their Siebel CRM version. Apply patches in a staged manner across test and production environments and validate application functionality after deployment.

Workarounds

Place Siebel Cloud Manager behind a WAF and block unauthenticated access to management endpoints until patching is complete
Enforce network-level access control lists that restrict Siebel Cloud Manager to specific administrative source ranges
Disable or firewall off internet exposure of the Siebel Cloud Manager interface if it is not required for business operations