Catalog analysis: CISA added this entry on October 16, 2026. The entry reflects catalog information retrieved on October 16, 2026, not a snapshot archived on the inclusion date. This site’s publication date is shown separately. Check current vendor guidance before acting.
What the vulnerability is
CVE-2026-102764 is an authentication bypass vulnerability affecting BeyondTrust Remote Support. The flaw involves spoofing (CWE-290), which could allow a remote attacker to bypass security checks and perform file operations directly on the appliance.
Exposure and applicability
BeyondTrust Remote Support is frequently utilized by healthcare IT departments and clinical engineering teams to provide remote administration for servers, workstations, and medical device consoles. Because these appliances often facilitate access to systems containing electronic Protected Health Information (ePHI), an authentication bypass that allows file operations could jeopardize the confidentiality and integrity of patient data.
This vulnerability has been added to CISA’s Known Exploited Vulnerabilities (KEV) catalog as of October 16, 2026, indicating that it is a priority for remediation due to active or potential exploitation in the wild.
Remediation priorities
Our analysis suggests that healthcare organizations prioritize the following actions based on their risk profile:
- Immediate Version Audit: Identify all instances of BeyondTrust Remote Support across the environment, specifically noting those with direct internet exposure. This is a prerequisite for applying any fix.
- Apply Vendor Mitigations: Deploy the mitigations provided by BeyondTrust according to their official security advisories. Given the KEV status, this should be treated as a high-priority update to prevent unauthorized access to the appliance.
- Network Segmentation Review: Evaluate whether the appliance is unnecessarily exposed to the public internet. Restricting access to known administrative IP ranges or requiring a VPN could reduce the likelihood of remote exploitation by external actors.
How to validate remediation
To verify that exposure has been reduced, administrators should:
* Confirm Versioning: Verify that the applied update or mitigation matches the version requirements specified in the vendor’s security advisory.
* Audit Access Logs: Review appliance logs for unauthorized file operations or anomalous authentication attempts that may have occurred prior to patching.
* Verify Connectivity Constraints: If network restrictions were implemented, use authorized network scanning tools from an external zone to confirm the appliance is no longer reachable via unapproved paths.
Limits and open questions
While applying vendor mitigations reduces risk, it does not guarantee total prevention of all attack vectors. It remains unknown if this vulnerability has been leveraged in specific ransomware campaigns. Additionally, while CISA has set a deadline of October 19, 2026, for federal agencies, private healthcare providers must determine their own urgency based on their internal risk management frameworks and the criticality of the systems managed by the appliance.
Source and editorial note
CVE-2026-102764: BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability · Source date: October 16, 2026 · Retrieved October 16, 2026.
Material facts are tied to the cited primary source. Recommendations are independent defensive analysis unless attributed to the source. Confirm consequential decisions against current authoritative guidance.
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