CVE-2026-11707

criticalCVSS 9.3covered by 7 sourcesfirst seen 2026-06-24

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 risk0.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.

Advisory coverage (7)

high[UPDATE] [high] IBM WebSphere Application Server and Application Server Liberty: Multiple vulnerabilitiescert-bund · 2026-08-25
criticalCVE-2026-11707: IBM Tivoli System Automation Application Manager 4.1 and IBM WebSphere Application Server is a…nvd · 2026-07-30
unknownMultiple vulnerabilities in IBM products (July 24, 2026)cert-fr-avis · 2026-07-24
unknownMultiple vulnerabilities in IBM products (July 10, 2026)cert-fr-avis · 2026-07-10
unknownMultiple vulnerabilities in IBM products (July 3, 2026)cert-fr-avis · 2026-07-03
unknownMultiple vulnerabilities in IBM products (June 26, 2026)cert-fr-avis · 2026-06-26
unknownIBM WebSphere Products Multiple Vulnerabilitieshkcert · 2026-06-24

External references

NVD record for CVE-2026-11707

CVE.org record

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