BeyondTrust · Remote Support
CVE-2026-102764
Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support
What it is
The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could allow an attacker to perform file operations on the appliance.
CISA: BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
What to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Deadline for US federal agencies: October 19, 2026
More exploited flaws from BeyondTrust
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Feb 13, 2026 | OS Command Injection | Remote Support (RS) and Privileged Remote Access (PRA) | Critical 9.9 | 93% |
| Jan 13, 2025 | OS Command Injection | Privileged Remote Access (PRA) and Remote Support (RS) | Medium 6.6 | 32% |
| Dec 19, 2024 | Privileged Remote Access (PRA) and Remote Support (RS) Command Injection Vulnerability | Privileged Remote Access (PRA) and Remote Support (RS) | Critical 9.8 | 87% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.