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Type Vulnerability

BeyondTrust · Auth bypass

BeyondTrust Remote Support Authentication Bypass Vulnerability

6 sourcesCVE-2026-102764CVE-2026-1731

At a glance

Medium
7-day window, from the last update
ActiveConfirmed in-the-wild exploitation
Evidence-weighted, not popularity
Signal

Actively exploited in the wild — prioritise confirming exposure.

Why Medium

Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on BeyondTrust Remote Support, treat it as High.

Briefing

  • Organisations using BeyondTrust Remote Support should assess their exposure to this vulnerability and consider mitigation strategies.
  • The confirmed exploitation of CVE-2026-102764 highlights the need for immediate security review of affected systems.

Questions to ask IT

  • Do we run BeyondTrust Remote Support and Rapid7, and which versions?
  • Is any of it reachable from the internet?
  • Have we checked whether it has already been used against us?
  • If it is not yet patched, what mitigation is in place, and will the fix be done by 12 Nov?

Next steps

  1. Confirm exposure and remediation status for affected products

Summary

  • An origin-validation flaw in BeyondTrust Remote Support allows an unauthenticated attacker to write files on the appliance and execute code as the site's operating-system user.
  • The vulnerability is accessible via the public customer connection used to start a support session, requiring no account credentials or user interaction.
  • The flaw exists between the internal message router, brain, and an appliance-side customer worker, thin-scc.
  • CVE-2026-102764 is confirmed as exploited in the wild according to the US known-exploited catalogue.

Read the original reportSecurityWeek(opens in a new tab)

Products and services involved

All 7 reports in this story

Same event, different frames

Distinct often headline the same incident differently.

Pulse

Last checked 3d ago · Recheck overdue since 6 Nov 2026, 14:51 UK time

Signal
5 Nov 2026, 14:51 UK time · 3d ago

in the next 30 days first recorded at 93.9% (elevated likelihood signal, not confirmed exploitation).

Elevated — confirm exposure; this is a probability signal, not confirmed exploitation.

EscalationDe-escalationCritical / liveWhat these mean
Drag to pan · Ctrl / ⌘ + scroll or pinch to zoom9 events

Sources

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ClaimedHeadline60% confidence

    BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability

  • ProbableSummary fact75% confidence

    An origin-validation flaw in BeyondTrust Remote Support lets an unauthenticated attacker write files on the appliance and execute code as the site's operating-system user. The entry point is the public customer connection used to start a support session. No account credentials or user interaction are required. The flaw sits between the internal message router, brain, and an appliance-side customer worker, thin-scc.

  • ConfirmedCVE identifier95% confidence

    Event involves CVE-2026-102764

  • ConfirmedKnown-exploited catalogue98% confidence

    CVE-2026-102764 is confirmed as exploited in the wild (US known-exploited catalogue)