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TI-2026-74999 Aliases CVE-2026-102764GHSA-pf95-v8m2-73q8

Weak origin checks in BeyondTrust Remote Support allow file actions

Priority CRITICAL 99Exploited in the wildCWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

BeyondTrust Remote Support versions 0 through 26.2.3 are affected. Internal messaging components do not validate the origin of the messages they receive, a spoofing weakness (CWE-290). Under the right conditions, a remote attacker without privileges can perform file operations on the appliance. CISA added the flaw to KEV on 2026-10-16.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation Active In CISA KEV since 2026-10-16CISA due date 2026-10-19
EPSS 0.77994 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BeyondTrustRemote Supportup to 26.2.3—No fix listedCNA
  • Remote Support VendorBeyondTrust Affected up to 26.2.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:beyondtrust:remote_support:*:*:*:*:*:*:*:*up to 26.2.3VulnerableBeyondTrust
  • cpe:2.3:a:beyondtrust:remote_support:*:*:*:*:*:*:*:* Versions up to 26.2.3 Vulnerable ·BeyondTrust

Remediation

The sources list no fixed version for BeyondTrust Remote Support. CISA requires U.S. federal agencies to fix it by 2026-10-19.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Added to CISA KEV
  2. 2026-10-16 Threatist record created from CVE-2026-102764
  3. 2026-10-16 CISA SSVC decision points changed
  4. 2026-10-16 Priority changed: MEDIUM → CRITICAL
  5. 2026-10-16 Alias added: GHSA-pf95-v8m2-73q8
  6. 2026-10-18 EPSS moved to the 50th–90th percentile
  7. 2026-10-18 CISA SSVC decision points changed
  8. 2026-10-18 CVSS score added · NVD
  9. 2026-10-25 EPSS moved to the 95th–99th percentile
  10. 2026-11-04 EPSS moved to the 99th percentile and above

References

Advisory 1

Other 2

  • TI-2026-01414 Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) KEVCVSS 4.0CRITICAL 9.9
  • TI-2024-11463 Command Injection Vulnerability in Remote Support(RS) & Privileged Remote Access (PRA) KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-11765 Command Injection vulnerability in Remote Support(RS) & Privilege Remote Access (PRA) KEVCVSS 3.1HIGH 7.2
  • TI-2023-03984 Command injection in BeyondTrust Privileged Remote Access CVSS 3.1CRITICAL 9.8
  • TI-2026-28959 High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access CVSS 4.0HIGH 8.7
  • TI-2026-28958 Critical Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access CVSS 4.0CRITICAL 9.2
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences