CVE-2026-42329

MEDIUM
Published Jun 4, 2026 Modified Jun 8, 2026 CWE-602

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.

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CVSS v3.1 Score

4.7
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0017
Probability of exploitation
0.07%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-602 CWE-602

References

Frequently Asked Questions

What is CVE-2026-42329? +
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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).
How severe is CVE-2026-42329? +
CVE-2026-42329 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0017, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-42329? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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