PT-2026-46388 · Iris · Iris

Mkoppmann + 1 · CVE-2026-42539 · Published 2026-06-04 · Updated 2026-06-04

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions IRIS versions prior to 2.4.28

Description IRIS is a web collaborative platform designed for incident responders to share technical details during investigations. The platform returns sensitive data to the user that is not required for client operations.

Recommendations Update to version 2.4.28.

Exploit

Fix

Weakness Enumeration

CWE-201

Related Identifiers

CVE-2026-42539

GHSA-G588-5GMF-P5CX

Affected Products

Iris

References · 5

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42539.json · Exploit
• 🔥 https://github.com/dfir-iris/iris-web/security/advisories/GHSA-g588-5gmf-p5cx · Exploit
• https://osv.dev/vulnerability/CVE-2026-42539 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42539 · Security Note
• http://openwall.com/lists/oss-security/2026/05/19/9 · Note