CVE-2026-121578
Medium
Description
Tactical RMM contains a stored XSS vulnerability caused by improperly validated input or encode output for various fields, enabling HTML/JavaScript to be stored in the tools database, which is then executed in the browsers of users when they view content containing the infected objects, leading to account takeover or code execution.
SeverityMedium
CVSS6.1
Exploit probability24. percentile0.3%
ProductTactical RMM
PublishedNov 3, 2026
First seenNov 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Amidaware Tactical RMM | v ≤ 1.6.2 | — |
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