Is there a public exploit for CVE-2026-121578?

No public exploit for CVE-2026-121578 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-121578?

CVE-2026-121578 scores CVSS 6.1 (v3.1), rated medium.

What does CVE-2026-121578 affect?

CVE-2026-121578 affects Amidaware Tactical RMM.

6.1 Medium

Tactical RMM contains a stored XSS vulnerability caused by improperly validated input or encode output for various fields, enabling…

CVE-2026-121578

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.

Assessment

CVSS: 6.1 (v3.1)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 4 November 2026
Affected: Amidaware · Tactical RMM
Assigner: certcc

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

At the source

EUVD (ENISA)

References

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