CVE-2026-102764 Exploited in the wild
BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
- Risk score
- 100/100
- CVSS
- 9.8 v3.1
- Exploit chance (30 days)
- 1.2%
- Published
- 15 Oct 2026
- Added to CISA's exploited list
- 16 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- A vulnerability in BeyondTrust's Remote Support product allows an attacker to bypass authentication and perform file operations on the appliance. An attacker could exploit this vulnerability to gain high impact.
- Affected
- {'product': 'Remote Support', 'vendor': 'BeyondTrust'}
- Fix
- Apply mitigations in accordance with vendor instructions
- Exploitation
- Exploited in the wild
Story map
At a glance
Beyondtrust Remote Support: Red, act today. A vulnerability in BeyondTrust's Remote Support product allows an attacker to bypass authentication and perform file operations on the appliance. An attacker could exploit this vulnerability to gain high impact.
The flaws
- CVE-2026-102764: BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability (CVSS 9.8 · EPSS 1% · exploited)
The fix
Fix: Apply mitigations in accordance with vendor instructions
Who is exposed: {'product': 'Remote Support', 'vendor': 'BeyondTrust'}
Where it stands
- Exploited in the wild
- On CISA's exploited list since 16 Oct
- US federal deadline 19 Oct
- 1 outlet covering it
How it unfolded
- 16 Oct, CISA (official): Added to the Known Exploited Vulnerabilities list
- 16 Oct, Infosecurity Magazine (press): China Espionage Actor Actively Targeting Critical BeyondTrust Flaw, Google Warns
- 16 Oct, CISA advisories (US) (official): CISA Urges Patching Critical Vulnerability in BeyondTrust Remote Support
- 19 Oct, Deadline (official): US federal agencies must have patched
Connects to
- Same weakness: CWE-290 (CWE-290). 54 other warnings in 30 days
In the news
TL;DR
Critical vulnerability in BeyondTrust Remote Support allows attackers to perform file operations on appliances, exploited in the wild by a China state-sponsored actor.
- China Espionage Actor Actively Targeting Critical BeyondTrust Flaw, Google Warns
- A patch was released on October 8 for SaaS and self-hosted customers
- Google urges affected BeyondTrust customers to apply patches immediately
- Armory Castle has historically conducted broad, opportunistic exploitation once the vulnerability becomes public
AI summary of 1 article.
Why it is Red
- CVSS 9.8 critical
- Exploited in the wild (CISA KEV)
- Remotely exploitable without logging in
- Named in a government or vendor bulletin
CISA 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.
Government and vendor bulletins
References
Original 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.
Last activity 16 Oct 2026. Patch Forecast updates every hour.