CVE-2026-42543: IRIS has a Cross-Site Request Forgery (CSRF) issue

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-04 · updated 2026-07-22
Weakness: CWE-650

Description

IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 are vulnerable to a cross-site request forgery attack, because they use the HTTP method `GET` to change state on the server. Version 2.4.28 contains a patch.

Affected products

dfir-iris iris-web: before 2.4.28

References

https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m73w-v4r5-vw9m
http://www.openwall.com/lists/oss-security/2026/05/19/11
https://github.com/dfir-iris/iris-web/security/advisories/GHSA-m73w-v4r5-vw9m

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