VulnerabilityDeferred

CVE-2026-42329

Versions prior to 2.4.28 contain a weakness where an attacker can misuse it to redirect the user to a malicious website controlled by an attacker.

MEDIUM 4.7EPSS 0.17%

Does this matter?

Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.

Description

Iris is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 contain a weakness where an attacker can misuse it to redirect the user to a malicious website controlled by an attacker. Version 2.4.28 fixes the issue.

CVSS 3.1: 4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
EPSS: 0.17% probability · 7th percentile
CISA KEV: Not listed
Weakness: CWE-602
Source: security-advisories@github.com

References

https://github.com/dfir-iris/iris-web/security/advisories/GHSA-vjc3-7jwv-j9qf
http://www.openwall.com/lists/oss-security/2026/05/19/7
https://github.com/dfir-iris/iris-web/security/advisories/GHSA-vjc3-7jwv-j9qf

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.