CVE-2026-42538

IRIS has an Insecure File Upload

CVSS 6.3 MEDIUMEPSS 0.2%CWE-434

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Affected products

dfir-iris · iris-web

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References

https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m624-7744-2mhf http://www.openwall.com/lists/oss-security/2026/05/19/8