---
title: "BeyondTrust Remote Support - Broken Access Control"
description: "BeyondTrust Remote Support contains a broken access control vulnerability caused by inadequate validation of message origins in internal components, letting attackers perform unauthorized file operations on the appliance, exploit requires specific message conditions."
url: https://panop.io/threat-heartbeat/CVE-2026-102764/
---

# CVE-2026-102764 BeyondTrust Remote Support - Broken Access Control

BeyondTrust Remote Support contains a broken access control vulnerability caused by inadequate validation of message origins in internal components, letting attackers perform unauthorized file operations on the appliance, exploit requires specific message conditions.

CVSS base score 9.3 /10

Critical

CISA KEV

Exploited in the wild

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102764)

## Details

Type

Broken Access Control

Impact

Data Tampering

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

15 October 2026

Updated

16 October 2026

Weakness

[CWE-290](https://cwe.mitre.org/data/definitions/290.html)

## Vendor fix

Update to the latest version of BeyondTrust Remote Support.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102764](https://nvd.nist.gov/vuln/detail/CVE-2026-102764)
- [https://cloud.google.com/blog/topics/threat-intelligence/armory-castle-exploits-beyondtrust/](https://cloud.google.com/blog/topics/threat-intelligence/armory-castle-exploits-beyondtrust/)
- [https://beyondtrustcorp.service-now.com/csm?id=csm\_kb\_article&sysparm\_article=KB0024066](https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0024066)
- [https://www.beyondtrust.com/blog/entry/bt26-05](https://www.beyondtrust.com/blog/entry/bt26-05)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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