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    CVE-2026-42547

    IRIS is a web collaborative platform that helps incident responders share technical details during investigations. In versions prior to 2.4.28, users can create alerts for customers that are not assigned to them. This can be abused to falsely attribute fake alerts to customers. In combination with Cross-Site Scripting, this can also be used to exfiltrate alerts from other customers. Version 2.4.28 contains a patch.

    Published:Jun 4, 2026
    Last Modified:Jun 8, 2026
    EPS:Jun 4, 2026
    EPSS Score:0.00025
    CVSS Score:5.4

    Affected Products

    Vendor
    Dfir-iris
    Product
    Iris

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-16970 (CVSS 4.2) — The IRIS web application in version 2.4.26 and possibly others contains a logout functionality which is ineffe…
    CVE-2026-18362 (CVSS 5.9) — The IRIS web application in version 2.4.26 and possibly others does not protect its user authentication agains…
    CVE-2026-16971 (CVSS 5.9) — The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against bru…
    CVE-2026-18361 (CVSS 7.6) — The IRIS web application in version 2.4.26 and possibly others is vulnerable to stored cross-site scripting (X…
    CVE-2026-18360 (CVSS 7.6) — The IRIS web application in version 2.4.26 and possibly others is vulnerable to stored cross-site scripting (X…
    CVE-2026-16969 (CVSS 7.6) — The IRIS web application in version 2.4.26 and possibly others is vulnerable to stored cross-site scripting (X…
    CVE-2026-42543 (CVSS 4.3) — IRIS is a web collaborative platform that helps incident responders share technical details during investigati…
    CVE-2026-42540 (CVSS 4.3) — IRIS is a web collaborative platform that helps incident responders share technical details during investigati…
    CVE-2026-42539 (CVSS 6.5) — IRIS is a web collaborative platform that helps incident responders share technical details during investigati…
    CVE-2026-42538 (CVSS 6.3) — IRIS is a web collaborative platform that helps incident responders share technical details during investigati…

    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