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    CVE-2026-6721

    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.

    Published:Sep 23, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 23, 2026
    EPSS Score:0.01449
    CVSS Score:9.8

    Affected Products

    Vendor
    Ibm
    Product
    Concert
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-6715 (CVSS 9.8) — IBM Concert 1.0 through 3.0.1.1 allows an attacker can supply crafted input that is incorporated into an opera…
    CVE-2026-15266 (CVSS 9.8) — IBM Concert 1.0 through 3.0.1.1 contains components that allow potentially unsafe command execution, which cou…
    CVE-2026-1501 (CVSS 3.7) — IBM Concert 1.0 through 3.0.0 is vulnerable to Improper Certificate Validation.…
    CVE-2026-1510 (CVSS 4.7) — IBM Concert 1.0 through 3.0.0 is vulnerable to Information Disclosure via Heap Inspection.…
    CVE-2026-3303 (CVSS 3.7) — IBM Concert 1.0 through 3.0.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry…
    CVE-2026-3628 (CVSS 5.3) — IBM Concert 1.0 through 3.0.0 allows information disclosure through exposure of schema suggestions.…
    CVE-2026-4405 (CVSS 4) — IBM Concert 1.0 through 3.0.0 allows web page cache to be stored locally which can be read by another user on …
    CVE-2026-4413 (CVSS 6.1) — IBM Concert 1.0 through 3.0.0 is vulnerable to cross-site scripting. This vulnerability allows an unauthentica…
    CVE-2026-6719 (CVSS 7.5) — IBM Concert 1.0 through 3.0.0 uses weaker than expected cryptographic algorithms that could allow an attacker …
    CVE-2026-6930 (CVSS 3.7) — IBM Concert 1.0 through 3.0.0 uses weaker than expected cryptographic algorithms that could allow an attacker …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High