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SBA Security Advisory – DFIR-IRIS Mass Assignment (CVE-2026-42540)

Vulnerability Overview

The IRIS web application allows a user to alter values in the database via manipulated API requests.

  • Type of Vulnerability: Mass Assignment
  • Fixed in Version: v2.4.28
  • CVE ID: CVE-2026-42540
  • CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  • CVSS Base Score: 4.3 (Medium)

Recommended Countermeasure

We recommend updating to IRIS version 2.4.28 or later.

Link

Full Security Advisory

Credits

Michael Koppmann (SBA Research)
Mathias Tausig (SBA Research)

The discovery of this vulnerability was made possible through support from CYSSDE and the European Union.