Full Report
Oracle security advisory – June 2026 quarterly rollup (AV26-605)
Analysis Summary
# Vulnerability: Oracle June 2026 Quarterly Patch Rollup
## CVE Details
*Note: As this is a high-level summary of a quarterly rollup, specific CVE IDs are contained within the individual product advisories linked in the vendor documentation.*
- **CVE ID:** Multiple (Comprehensive list available via Oracle CPU June 2026)
- **CVSS Score:** Up to 10.0 (Critical)
- **CWE:** Varies by product (Commonly includes Injection, Broken Access Control, and Remote Code Execution types)
## Affected Systems
- **Products:**
- **Middleware:** WebLogic Server, Oracle Coherence, Application Development Framework (ADF).
- **Database/Storage:** MySQL (Server, Cluster, Router, Shell), Oracle GoldenGate, Oracle Data Integrator.
- **Enterprise Apps:** E-Business Suite, JD Edwards EnterpriseOne (Various modules), PeopleSoft Enterprise, Siebel Applications.
- **Identity/Access:** Oracle Access Manager, Identity Manager, Unified Directory, Virtual Directory.
- **Content/Portal:** WebCenter (Content, Sites, Portal, Enterprise Capture).
- **Infrastructure/OS:** Oracle Solaris, VM VirtualBox, Enterprise Manager Base Platform.
- **Communications:** Network Charging and Control, Convergent Charging Controller.
- **Versions:** Multiple supported versions; please refer to the specific Oracle security matrix for each product branch.
- **Configurations:** Varies; many vulnerabilities affect default installations with network-exposed services.
## Vulnerability Description
This rollup addresses a wide array of technical flaws across the Oracle ecosystem. Key technical issues typically include:
- **Remote Code Execution (RCE):** Flaws allowing unauthenticated attackers to execute arbitrary code over a network without valid credentials.
- **Unauthorized Data Access:** Vulnerabilities in identity management and database tools that could allow bypass of authentication or authorization checks.
- **Denial of Service (DoS):** Flaws in MySQL and Middleware components that could allow an attacker to crash services remotely.
## Exploitation
- **Status:** Per the advisory date, specific "in the wild" exploitation is not currently confirmed, but quarterly rollups often contain vulnerabilities with public PoCs for underlying libraries.
- **Complexity:** Low to High (Depending on the specific CVE).
- **Attack Vector:** Primarily Network (Remote exploitation is possible for many of the addressed flaws).
## Impact
- **Confidentiality:** High (Potential for full data exfiltration).
- **Integrity:** High (Potential for unauthorized modification of system data).
- **Availability:** High (Potential for complete system downtime or resource exhaustion).
## Remediation
### Patches
- Users should immediately apply the **June 2026 Critical Patch Update (CPU)**.
- Individual patches are available via **My Oracle Support (MOS)** for each specific product and version listed in the advisory.
### Workarounds
- Limit network exposure of administrative consoles (e.g., WebLogic Server Administration Console).
- Implement strict IP whitelisting for database listener ports.
- Disable unused services and protocols within JD Edwards and PeopleSoft environments.
## Detection
- **Indicators of Compromise:** Monitor for unusual administrative logins, unauthorized changes to system files, and suspicious outbound network traffic from database servers.
- **Detection methods and tools:**
- Utilize Oracle's "Pre-installation" scripts to identify vulnerable versions.
- Use Vulnerability Scanners (Nessus, Qualys, etc.) with updated June 2026 plugins.
## References
- Oracle Critical Patch Update Advisory – June 2026: hxxps[://]www[.]oracle[.]com/security-alerts/cspujun2026[.]html
- Canadian Centre for Cyber Security Advisory (AV26-605): hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/oracle-security-advisory-june-2026-quarterly-rollup-av26-605