🛡️ CVE-2026-42547

🟡 CVSS 5.4 — Medium ✅ No Known Exploit CWE-863 NVD
5.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

IRIS is a web collaborative platform that helps incident responders share technical details during investigations. In versions prior to 2.4.28, users can create alerts for customers that are not assigned to them. This can be abused to falsely attribute fake alerts to customers. In combination with Cross-Site Scripting, this can also be used to exfiltrate alerts from other customers. Version 2.4.28 contains a patch.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2026-42547 is classified as CWE-863: Incorrect Authorization. An authorisation check runs but reaches the wrong conclusion, permitting actions it should refuse.

Affected software

CVE-2026-42547 is recorded against 1 package.

  • unknown

Timeline and source

Published on 4 June 2026 and last revised on 22 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
www.openwall.com
github.com

Details

Severity MEDIUM
CVSS Score 5.4
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE CWE-863
Public Exploit ✅ No
Source NVD
Published 2026-06-04
Updated 2026-08-11
Modified 2026-07-22
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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