CVE-2026-6721Critical· 9.8▾ MidnightIBM Concert 1.0.0 through 3.0.0 allows an unauthenticated remote attacker can supply specially crafted input that is incorporated into OS commands, resulting in arbitrary command execution on the underlying system. Successful exploitatio…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0 · exploitation 0
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IBM Concert 1.0.0 through 3.0.0 allows an unauthenticated remote attacker can supply specially crafted input that is incorporated into OS commands, resulting in arbitrary command execution on the underlying system. Successful exploitation allows remote code execution with the privileges of the affected application.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-6928Critical· 9.8IBM Concert 1.0.0 through 3.0.0 references or accesses memory after it has been freed
CVE-2026-6935High· 7.8IBM Concert 1.0.0 through 3.0.0 invokes operating system commands without fully qualifying executable paths or adequately restricting search path resolution
CVE-2026-6730Critical· 9.8IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking
CVE-2026-6794High· 7.8IBM Concert 1.0.0 through 3.0.0 has a double free vulnerability that exists due to incorrect memory management
CVE-2026-6925Medium· 5.3IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to traverse directories on the system
CVE-2026-6718Medium· 6.2IBM Concert 1.0.0 through 3.0.0 is vulnerable to improper access control which allows unauthorized modification of application files.