CVE-2026-46804 Overview
CVE-2026-46804 affects Oracle WebCenter Content, a component of Oracle Fusion Middleware. The flaw resides in the Content Server component of version 14.1.2.0.0. A low-privileged attacker with network access via HTTP can exploit this vulnerability, but successful exploitation requires user interaction from a separate victim. The vulnerability allows scope change, meaning successful attacks extend beyond Oracle WebCenter Content to impact additional products. Exploitation results in unauthorized creation, modification, or deletion of critical data, plus full read access to all data accessible through Oracle WebCenter Content. Oracle addressed the issue in its June 2026 Critical Patch Update. The weakness is classified under CWE-269: Improper Privilege Management.
Critical Impact
A low-privileged attacker can compromise confidentiality and integrity of all WebCenter Content data and pivot into adjacent products through scope change.
Affected Products
- Oracle WebCenter Content 14.1.2.0.0
- Oracle Fusion Middleware (Content Server component)
- Deployments exposing the Content Server over HTTP to authenticated users
Discovery Timeline
- 2026-06-17 - CVE-2026-46804 published to NVD
- 2026-06-17 - Oracle Critical Patch Update advisory released
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2026-46804
Vulnerability Analysis
The vulnerability resides in the Content Server component of Oracle WebCenter Content. An authenticated attacker with low privileges sends crafted HTTP requests to the Content Server. The attack chain requires a separate user to interact with attacker-supplied content, typically by clicking a link or loading a resource. Because the vulnerability triggers a scope change, the exploited session crosses the trust boundary of WebCenter Content and influences other Fusion Middleware products. The result is unauthorized read access to sensitive content and the ability to create, modify, or delete records the attacker should not control. Availability is not impacted. The weakness aligns with CWE-269: Improper Privilege Management, indicating that privilege boundaries inside the Content Server are not enforced consistently across protected operations.
Root Cause
The root cause is improper privilege management within the Content Server request handlers. Authorization checks fail to validate the acting principal against the target resource under specific request conditions, allowing a low-privileged identity to perform operations reserved for higher-privileged accounts.
Attack Vector
Exploitation is network-based over HTTP. The attacker authenticates with low-privileged credentials and crafts a request that abuses the privilege management flaw. A second user must interact with attacker-controlled input for the chain to complete, which makes phishing or session-riding likely delivery mechanisms inside enterprise portals.
No public proof-of-concept or exploit code is available at the time of publication. Refer to the Oracle Critical Patch Update Advisory - June 2026 for vendor-supplied technical context.
Detection Methods for CVE-2026-46804
Indicators of Compromise
- Unexpected HTTP requests to Content Server endpoints originating from low-privileged accounts performing administrative-like operations
- Audit log entries showing creation, modification, or deletion of content items by users without standard authorization for those objects
- WebCenter Content sessions correlated with outbound user clicks from email or chat clients shortly before privileged actions
Detection Strategies
- Correlate Content Server access logs with identity provider events to flag low-privileged users performing high-impact operations
- Baseline normal HTTP request patterns to /cs/ and related Content Server URIs and alert on deviations
- Inspect referer headers and user-interaction sequences that lead to sensitive content operations
Monitoring Recommendations
- Forward Oracle WebCenter Content audit logs and Fusion Middleware access logs to a centralized SIEM for correlation
- Monitor for content modifications outside of business hours or from atypical client IP ranges
- Track scope-change indicators where an Oracle WebCenter Content session triggers activity in adjacent Fusion Middleware products
How to Mitigate CVE-2026-46804
Immediate Actions Required
- Apply the June 2026 Oracle Critical Patch Update for Oracle WebCenter Content 14.1.2.0.0 as published in the Oracle Security Alert
- Inventory all Oracle Fusion Middleware deployments to confirm exposure of the affected Content Server component
- Restrict HTTP access to the Content Server to trusted network segments while patching is scheduled
- Review WebCenter Content user accounts and remove unnecessary low-privileged access
Patch Information
Oracle released the fix as part of the June 2026 Critical Patch Update. Administrators must apply the cumulative patch bundle for Oracle WebCenter Content 14.1.2.0.0. Consult the Oracle Critical Patch Update Advisory - June 2026 for the exact patch identifiers and prerequisite components.
Workarounds
- Place the Content Server behind a web application firewall and enforce strict request validation until patches are deployed
- Enforce phishing-resistant authentication and user awareness training to reduce the success rate of the required user-interaction step
- Apply the principle of least privilege to all WebCenter Content roles and revoke unused accounts
# Verify the deployed Oracle WebCenter Content version before and after patching
cd $ORACLE_HOME/OPatch
./opatch lsinventory | grep -i "WebCenter Content"
# Stage the Critical Patch Update following Oracle's documented procedure
./opatch apply /path/to/cpujun2026/wcc/patch
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
