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 0.2 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 25.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
1.4%
Last analysed / modified upstream
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.
concert >= 1.0.0, <= 3.0.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-6544Medium· 6.2IBM Concert 1.0.0 through 3.0.0 allows recursive copying of directories without proper controls which can lead to unintentional inclusion of sensitive or unnecessary files and increased attack surface.
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