CVE-2026-42547
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductDfir-iris Iris-web
PublishedJun 4, 2026
First seenJun 4, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dfir-iris iris-web | < 2.4.28 | — |
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