Full Report
IBM security advisory (AV26-553)
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in IBM Product Suite (June 2026 Batch)
## CVE Details
*Note: Due to the high volume of products listed in this aggregate advisory, specific CVE IDs range across multiple underlying components including Apache, OpenSSL, and proprietary IBM code.*
- **CVE ID:** Multiple (See IBM security bulletin for specific mapping)
- **CVSS Score:** Up to 10.0 (Critical)
- **CWE:** Varies (Includes CWE-78: OS Command Injection, CWE-79: XSS, and CWE-502: Deserialization)
## Affected Systems
- **Products:**
- Decision Optimization for Cloud Pak for Data
- DevOps Test UI (formerly Rational Functional Tester)
- FileNet Content Manager
- IBM App Connect (Operator and Enterprise Containers)
- IBM Business Automation Workflow / Insights
- IBM Maximo Application Suite
- IBM Security QRadar EDR / SOAR
- IBM Sterling Connect:Direct (Windows and Web Services)
- IBM Storage Scale
- IBM WebSphere Application Server / Remote Server
- **Versions:**
- Decision Optimization: 5.0 to 5.3.1
- DevOps Test UI: 11.0 to 11.0.7
- IBM Storage Scale: 5.2.0.0 to 6.0.0.2
- WebSphere AS: 8.5 and 9.0
- *Refer to the full advisory for specific version strings of all 30+ affected products.*
- **Configurations:** Default installations and certified container environments.
## Vulnerability Description
This summary encompasses a broad range of security updates released by IBM between June 1 and June 7, 2026. The flaws involve various technical issues, including:
1. **Remote Code Execution (RCE):** High-severity flaws in deserialization components and command injection points.
2. **Path Traversal:** Vulnerabilities allowing unauthorized access to file systems in storage and content management products.
3. **Dependency Vulnerabilities:** Updates to underlying third-party libraries (e.g., Java, OpenSSL) integrated into IBM Enterprise software.
## Exploitation
- **Status:** Vulnerabilities are currently not reported as being exploited in the wild, though PoCs for underlying component flaws (if applicable) may exist.
- **Complexity:** Low to High (depending on the specific CVE).
- **Attack Vector:** Primarily Network (Remote).
## Impact
- **Confidentiality:** High (Potential for full data exfiltration).
- **Integrity:** High (Potential for unauthorized modification of system files/data).
- **Availability:** High (Potential for Denial of Service or full system takeover).
## Remediation
### Patches
IBM has released specific Fix Packs and iFixes for each product. Essential updates include:
- **Decision Optimization:** Apply Patch 2 for 5.3.1.
- **DevOps Test UI:** Upgrade to 11.0.8 or apply relevant iFix.
- **Sterling Connect:Direct:** Apply iFix022+ for v6.4 or iFix051+ for v6.3.
- **Storage Scale:** Upgrade to 6.0.0.3 or 5.2.3.8.
### Workarounds
- Check specific IBM PSIRT advisories for temporary configuration changes (e.g., disabling specific ports or features) if immediate patching is not feasible.
## Detection
- **Indicators of Compromise:** Unusual service restarts, unauthorized administrative logins, and unexpected outbound network traffic from IBM application servers.
- **Detection methods and tools:** Utilize vulnerability scanners (e.g., Nessus, Qualys) with the latest plugins for the June 2026 IBM cycle. Monitor logs for `java.io.InvalidClassException` in WebSphere logs.
## References
- **Vendor advisories:** hxxps[://]www[.]ibm[.]com/support/pages/bulletin/
- **Canadian Centre for Cyber Security Advisory:** hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/ibm-security-advisory-av26-553