# CVE-2026-18128 — ivanti Endpoint Manager

> As of 2026-11-14, CVE-2026-18128 is a MEDIUM-severity vulnerability in ivanti Endpoint Manager, CVSS v3.1 6.8, EPSS 0.4% (39.1th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-18128, most recently “Ivanti EPM Core Critical SQL Injection Enabling Unauthenticated RCE (CVE-2026-121653) and Multiple Ivanti CSA/EPMM/Sentry/UWM Flaws”.

**Last updated:** 2026-11-14

## What is CVE-2026-18128?

Cleartext transmission of sensitive information in the Agent of Ivanti Endpoint Manager before version 2024 SU8 allows a remote unauthenticated attacker to in a MITM position to read and modify HTTP traffic.

The record classifies CVE-2026-18128 under weakness class [CWE-319](https://intel.threadlinqs.com/cwe/CWE-319). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 5 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.8 — MEDIUM (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N`)
- **EPSS (FIRST):** 0.4% probability of exploitation in the next 30 days, higher than 39.1% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-11-10

## Is CVE-2026-18128 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): Endpoint Manager

## How to fix CVE-2026-18128

No vendor patch reference has been recorded for CVE-2026-18128 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-2026-18128

1 tracked threat in the Threadlinqs corpus references CVE-2026-18128, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Ivanti EPM Core Critical SQL Injection Enabling Unauthenticated RCE (CVE-2026-121653) and Multiple Ivanti CSA/EPMM/Sentry/UWM Flaws](https://intel.threadlinqs.com/threat/TL-2026-6090) — CRITICAL · 2026-11-14

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories.

**Other references**

- [hub.ivanti.com](https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-EPM-November-2026?language=en_US)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-18128
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