CVE-2026-46790 Overview
CVE-2026-46790 is an information disclosure vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware. The flaw resides in the Content Server component and affects version 14.1.2.0.0. An unauthenticated attacker with network access via HTTP can exploit this vulnerability without user interaction. Successful exploitation grants read access to a subset of Oracle WebCenter Content data. The weakness is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor. Oracle addressed the issue in the June 2026 Critical Patch Update.
Critical Impact
Remote unauthenticated attackers can read sensitive content stored in Oracle WebCenter Content over HTTP without any credentials or user interaction.
Affected Products
- Oracle WebCenter Content 14.1.2.0.0
- Oracle Fusion Middleware (Content Server component)
- Deployments exposing WebCenter Content HTTP endpoints to untrusted networks
Discovery Timeline
- 2026-06-17 - CVE-2026-46790 published to the National Vulnerability Database
- 2026-06-17 - Last updated in NVD database
- June 2026 - Oracle releases fix in the Critical Patch Update Advisory
Technical Details for CVE-2026-46790
Vulnerability Analysis
The vulnerability allows an unauthenticated remote attacker to retrieve a subset of data managed by Oracle WebCenter Content. The Content Server component fails to enforce authorization checks on certain HTTP-accessible resources. Attackers exploit the flaw by sending crafted HTTP requests directly to exposed Content Server endpoints. The scope is unchanged, and the impact is limited to confidentiality, with no integrity or availability effects.
Oracle WebCenter Content is widely deployed as an enterprise content management platform for storing documents, records, and digital assets. Information leaked through this flaw may include indexed content, metadata, or stored documents accessible to the affected service.
Root Cause
The underlying weakness maps to [CWE-200], where the application exposes sensitive information to actors not explicitly authorized to access it. The Content Server component does not consistently validate the requester's authentication state or authorization scope before returning protected data. Easy exploitability indicates the vulnerable path requires no specialized tooling, encoding tricks, or authentication tokens.
Attack Vector
Exploitation occurs over the network via HTTP. The attacker requires no privileges and no user interaction. A typical attack sequence involves identifying an internet-exposed or internally reachable WebCenter Content instance, then issuing HTTP requests against the vulnerable endpoint to retrieve unauthorized data. Because the attack is anonymous and HTTP-based, it is well suited to opportunistic scanning by automated tooling. Refer to the Oracle Critical Patch Update Advisory for technical scope details.
Detection Methods for CVE-2026-46790
Indicators of Compromise
- Unauthenticated HTTP requests to Oracle WebCenter Content endpoints returning HTTP 200 responses with content payloads
- Anomalous spikes in outbound data volume from the Content Server to unknown external IP addresses
- Access log entries from IPs without prior authentication attempts followed by successful content retrieval
- User-Agent strings tied to scanners or scripted clients targeting WebCenter Content URI patterns
Detection Strategies
- Correlate WebCenter Content access logs against authentication logs to surface unauthenticated content retrievals
- Deploy web application firewall (WAF) rules that flag requests to Content Server endpoints from non-allowlisted sources
- Inspect HTTP response sizes from Content Server hosts and alert on outliers retrieved by anonymous sessions
- Hunt for sequential enumeration patterns against Content Server document IDs or metadata APIs
Monitoring Recommendations
- Forward WebCenter Content Server access and audit logs to a centralized SIEM for retention and correlation
- Baseline normal HTTP request patterns to Content Server endpoints and alert on deviations
- Monitor network egress from middleware hosts for unusual data transfer volumes
- Track Oracle Critical Patch Update advisories and validate patch compliance across all Fusion Middleware deployments
How to Mitigate CVE-2026-46790
Immediate Actions Required
- Apply the Oracle June 2026 Critical Patch Update to Oracle WebCenter Content 14.1.2.0.0 without delay
- Inventory all Oracle Fusion Middleware deployments and confirm patch status for the Content Server component
- Restrict network access to Content Server HTTP endpoints to authenticated internal users and trusted segments
- Review access logs for the past 90 days to identify any pre-patch unauthorized data access
Patch Information
Oracle published the fix in the June 2026 Critical Patch Update. Administrators should consult the Oracle Security Alert and Critical Patch Update Advisory for the exact patch identifiers, prerequisites, and deployment instructions for WebCenter Content 14.1.2.0.0. Apply patches in a staged environment before promoting to production, and verify successful installation by reviewing Oracle's inventory tools.
Workarounds
- Place Oracle WebCenter Content behind a reverse proxy or WAF that enforces authentication on all upstream requests
- Apply network-layer access control lists (ACLs) to limit Content Server exposure to known administrative ranges
- Disable or block public access to Content Server URI paths that do not require external reachability
- Increase audit logging verbosity on the Content Server while patching is being scheduled
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
