CVE-2026-102764
BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
CISA due Oct 19, 2026
- BeyondTrust Remote Support
- Critical
- CVSS 9.3
- EPSS 1.18%
- No fixed version listed
What to do
No fixed version listed
- 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.
- CISA deadline for US federal agencies
- Oct 19, 2026
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| BeyondTrust Remote Support | through 26.2.3 | None listed |
Scores and signals
- Exploitation
- Exploited in the wild
- Severity
- Critical, CVSS 9.3 (v4.0, scored by BT)
- EPSS
- 1.18% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 23, 2026)
- CISA's SSVC decision points
- Exploitation: active. Automatable: yes. Technical impact: total. As of Oct 16, 2026.
- Weakness
- CWE-290: Authentication bypass by spoofing
- Vendor
- BeyondTrust, Remote Support
Timeline
- Added to CISA's Known Exploited Vulnerabilities catalog: exploited in the wild. US federal agencies must remediate by 2026-10-19.