CVE-2026-102764 Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support
- Published
- Updated
- Exploit status
- Exploited in the wild (confirmed)
Description
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 Known Exploited Vulnerability
- Date added
- 2026-10-16
- Due date (FCEB)
- 2026-10-19
- Ransomware use
- Unknown
Required action
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| BeyondTrust Remote Support | <= 26.2.3 | No fix listed |
References
- nvd.nist.gov us-government-resource
- www.beyondtrust.com vendor-advisory
- beyondtrustcorp.service-now.com permissions-required
- www.cisa.gov government-resource us-government-resource