CVE-2026-11806
An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server Liberty and IBM WebSphere Application Server to manipulate files, conduct a Cross-Site Scripting attack, execute arbitrary code, disclose information, and perform a Denial of Service attack.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server and Application Server Liberty to manipulate files and execute arbitrary code.
- Who is affected
- Deployments of IBM WebSphere Application Server and Application Server Liberty are affected.
- Urgency
- Remediation is urgent due to the high severity and potential for arbitrary code execution.
- Action
- Apply the latest patches for IBM WebSphere Application Server and Application Server Liberty.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownMultiple vulnerabilities in IBM products (July 10, 2026)cert-fr-avis · 2026-07-10
- high[UPDATE] [high] IBM WebSphere Application Server and Application Server Liberty: Multiple vulnerabilitiescert-bund · 2026-07-02
- highCVE-2026-11806: IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 is affected by an arbitra…nvd · 2026-06-30
External references
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