CVE-2026-42538 Details
Description
IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 do not properly validate uploaded files. The application can therefore be misused to host phishing pages, amongst other things. This also creates another instance of a Cross-Site Scripting (XSS) vulnerability. Version 2.4.28 contains a patch.
A vulnerability exists in the IRIS web application, specifically in versions through 2.4.27, due to improper validation of uploaded files. This flaw enables the hosting of phishing pages and introduces a Cross-Site Scripting (XSS) vulnerability. The issue arises from the application's failure to adequately check file types, allowing harmful content, such as HTML files with embedded JavaScript, to be uploaded and executed in users' browsers.
Users are advised to update to IRIS version 2.4.28 or later. The application should also implement measures to prevent the upload of malicious files, such as enforcing allowlists for MIME types, file names, and extensions, validating file types, and using the 'Content-Disposition: attachment' header when serving uploaded files.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 4, 2026CISA-ADP
Assessed Jun 5, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m624-7744-2mhf | CISA-ADP | AdvisoryExploitRemedyVendor |
| http://www.openwall.com/lists/oss-security/2026/05/19/8 | CVE | |
| https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m624-7744-2mhf | [email protected] | AdvisoryExploitRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-434 | Unrestricted Upload of File with Dangerous Type | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| DFIR-IRIS IRIS | <= 2.4.27 (semver) |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 5, 2026 | CVE Modified | CISA-ADP |
| Jun 4, 2026 | CVE Modified | CVE |
| Jun 4, 2026 | New CVE Received | [email protected] |