---
id: CVE-2026-121578
title: CVE-2026-121578
summary: >-
  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 …
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cvssSource: adp
cwe:
  - CWE-79
vendor: Amidaware
product: Tactical RMM
affected:
  - tactical_rmm <= 1.6.2
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-03T17:53:51.173379Z'
exploitAvailable: true
published: '2026-11-03'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T15:56:52.250Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121578'
references:
  - url: >-
      https://github.com/amidaware/tacticalrmm-web/commit/ba5363ea99cf776511e5c828b6d744e4d0bddd08
  - url: 'https://github.com/Kuri119/Stored-XSS-In-Tactical-RMM-1.5.2/tree/main'
tags:
  - cve.org
  - exploit-available
epss: 0.00312
epssPercentile: 0.24271
ingestedAt: '2026-11-05T21:36:00.445Z'
---

## Overview

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.

## Affected

- `tactical_rmm <= 1.6.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.