# CVE-2026-12645 — Ivanti Neurons for ITSM

> As of 2026-09-09, CVE-2026-12645 is a CRITICAL-severity vulnerability in Ivanti Neurons for ITSM, CVSS v3.1 9.9, EPSS 1.2% (69.2th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-12645, most recently “Ivanti September 2026 Patch Batch: 10 CVEs Across EPMM, Neurons for ITSM, and Sentry (CVE-2026-12744/12745 Unauthenticated Deserialization RCE, CVE-2026-12645-12647 Missing Authorization RCE, CVE-2026-18851 EPMM Privilege Escalation, CVE-2026-83527 Sentry Auth Bypass)”.

**Last updated:** 2026-09-09

## What is CVE-2026-12645?

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

The record classifies CVE-2026-12645 under weakness class [CWE-862](https://intel.threadlinqs.com/cwe/CWE-862). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 44 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.9 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **EPSS (FIRST):** 1.2% probability of exploitation in the next 30 days, higher than 69.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 7.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-08, last modified 2026-09-09

## Is CVE-2026-12645 being exploited?

It currently carries a trending score of 44 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Ivanti](https://intel.threadlinqs.com/vendors/ivanti): Neurons for ITSM

## How to fix CVE-2026-12645

No vendor patch reference has been recorded for CVE-2026-12645 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-12645

1 tracked threat in the Threadlinqs corpus references CVE-2026-12645, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Ivanti September 2026 Patch Batch: 10 CVEs Across EPMM, Neurons for ITSM, and Sentry (CVE-2026-12744/12745 Unauthenticated Deserialization RCE, CVE-2026-12645-12647 Missing Authorization RCE, CVE-2026-18851 EPMM Privilege Escalation, CVE-2026-83527 Sentry Auth Bypass)](https://intel.threadlinqs.com/threat/TL-2026-2396) — CRITICAL · 2026-09-08

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [hub.ivanti.com](https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Neurons-for-ITSM-Multiple-CVEs?language=en_US)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-12645
Full detection coverage and IOCs for threats exploiting CVE-2026-12645 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp