CVE-2026-4418
MediumCVSS 5.4Summary
IBM Cloud Pak System 2.3.6.0 and 2.3.6.1 is vulnerable to HTML injection. A remotely authenticated attacker could inject malicious HTML code that, when viewed, is executed in the victim's web browser within the security context of the hosting site.
Risk Assessment
Injected HTML could be used to deceive users, steal session data, or perform actions on behalf of the victim within the trusted context of the site.
Recommendation
Update IBM Cloud Pak System to a version containing the fix. Until then, restrict access to the web interface and validate user input.
Other vulnerabilities in IBM Cloud Pak System
See all- CVE-2026-3295High
IBM Cloud Pak System 2.3.6.0 and 2.3.6.1 is vulnerable to cross-site scripting. User-supplied input is not properly sanitized or HTML-encoded before being stored and rendered, allowing an authenticated attacker to store malicious JavaScript (Stored XSS).
- CVE-2026-3161Medium
IBM Cloud Pak System 2.3.6.0 and 2.3.6.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
- CVE-2023-38375Medium
IBM Cloud Pak System 2.3.6.0 and 2.3.6.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI, thus altering the intended functionality and potentially leading to credentials disclosure within a trusted session.
- CVE-2026-13463High
IBM Cloud Pak System 2.3.5.0 could allow a local attacker to obtain sensitive information due to the insertion of credentials into log files.
Original NVD description (English source)
IBM Cloud Pak System 2.3.6.0, and 2.3.6.1 is vulnerable to HTML injection. A remotely authenticated attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS