CVE-2026-3303Low· 3.7▾ SunlitIBM Concert 1.0 through 3.0.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 20.4 · likelihood 0 · exploitation 0
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IBM Concert 1.0 through 3.0.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.
Concert >= 1.0.0 <= 3.0.0IBM strongly recommends addressing these vulnerabilities now by upgrading to IBM Concert Software 3.0.1.1 Download IBM Concert Software 3.0.1.1 from Container software library section of IBM Entitled Registry (ICR) and follow installation instructions depending on the type of deployment.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-15661Medium· 5.3IBM Concert Software Improper Output Neutralization for Logs
CVE-2026-6930Low· 3.7IBM Concert Software Risky Cryptographic Algorithm
CVE-2026-6719High· 7.5IBM Concert Software Use of Insufficiently Random Values
CVE-2026-4405Medium· 4.0IBM Concert Software Use of Web Browser Cache Containing Sensitive Information
CVE-2026-4413Medium· 6.1IBM Concert Software Cross-Site Scripting
CVE-2026-3628Medium· 5.3IBM Concert Software Information Disclosure