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