PT-2026-27478 · Pharos Controls · Pharos Controls Mosaic Show Controller

James Tully · Published 2026-03-24 · Updated 2026-03-25 · CVE-2026-2417

Positive Technologies (AI Summary)

CVSS v4.0

9.3

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Pharos Controls Mosaic Show Controller version 2.15.3

Description A missing authentication check for a critical function allows an unauthenticated attacker to bypass authentication and execute arbitrary commands with root privileges. This affects network-accessible show controllers.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Fix

RCE

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-2417

Affected Products

Pharos Controls Mosaic Show Controller

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-2417 · Security Note
• https://cisa.gov/news-events/ics-advisories/icsa-26-083-01 · Note
• https://twitter.com/0dayPublishing/status/2036513201563500750 · Twitter Post
• https://twitter.com/aviatrixtrc/status/2036843953949995101 · Twitter Post