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    CVE-2026-3303

    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.

    Published:Oct 19, 2026
    Last Modified:Oct 20, 2026
    EPS:Oct 19, 2026
    EPSS Score:0.00255
    CVSS Score:3.7

    Affected Products

    Vendor
    Ibm
    Product
    Concert

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    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-2026-3628 (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 …
    CVE-2026-15661 (CVSS 5.3) — IBM Concert 1.0 through 3.0.0 could allow an unauthorized user to inject data into log messages due to imprope…
    CVE-2026-6544 (CVSS 6.2) — IBM Concert 1.0.0 through 3.0.0 allows recursive copying of directories without proper controls which can lead…
    CVE-2026-6935 (CVSS 7.8) — IBM Concert 1.0.0 through 3.0.0 invokes operating system commands without fully qualifying executable paths or…

    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