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Vulnerability record · public intelligence
CVE-2026-102764
CRITICALCISA KEV

Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support

Published Oct 15, 2026 · Updated Oct 24, 2026

Severity · CVSSCRITICAL · 9.8
Known exploitationCISA KEV listed
EPSS / likelihood1.18%
QFinch risk score45 / 100

Original summary

Normalized public record · Updated Oct 24, 2026

Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVEKEVNVDEPSS
SSVC priority
IMMEDIATE
Confidence
45%
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. NVD record ↗
  2. www.beyondtrust.com ↗
  3. beyondtrustcorp.service-now.com ↗
  4. CISA advisory ↗

Record history

Published Oct 15, 2026 · Last refreshed Oct 24, 2026