What is CVE-2026-12646?

CVE-2026-12646 is a critical-severity vulnerability, classified under Missing Authorization. CVSS score: 9.9/10. Published 2026-09-08.

How severe is CVE-2026-12646?

Critical severity. CVSS v3 base score is 9.9 out of 10.

CVE-2026-12646

CVE-2026-12646

A Missing Authorization vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote authenticated attacker to execute arbitrary code on the server.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

3c1d8aa1-5a33-4ea4-8992-aadd6440af75

Frequently asked questions

What is CVE-2026-12646?: CVE-2026-12646 is a critical-severity vulnerability, classified under Missing Authorization. CVSS score: 9.9/10. Published 2026-09-08.
How severe is CVE-2026-12646?: Critical severity. CVSS v3 base score is 9.9 out of 10.