[ CVE-2026-121578 · Published 3 Nov 2026 ]
Vulnerability in Amidaware Tactical RMM
CVSS 6.1
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.