---
title: "CVE-2026-102764: Improper Origin Validation in Internal… | CubePath"
description: "The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin…"
language: en
source: https://cubepath.com/security/cve/CVE-2026-102764
---

# CVE-2026-102764: Improper Origin Validation in Internal… | CubePath

## Description

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.

Official description from the CVE record, published by BT. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-102764)

## Key data

### CVSS 4.0 Critical 9.3

Score published by BT in the CVE record.

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

| Metric                              | Value   | What it means                                                                                                   |
| ----------------------------------- | ------- | --------------------------------------------------------------------------------------------------------------- |
| Attack vector                       | Network | The vulnerable component can be reached over a network, possibly from the Internet.                             |
| Attack complexity                   | Low     | No measurable action is needed to get around the system's built-in security controls. The attack is repeatable. |
| Attack requirements                 | None    | The attack works without any special deployment or execution conditions.                                        |
| Privileges required                 | None    | No account or privileges are needed.                                                                            |
| User interaction                    | None    | No action from any user is needed.                                                                              |
| Vulnerable system: confidentiality  | High    | Serious or total effect on the secrecy of data.                                                                 |
| Vulnerable system: integrity        | High    | Serious or total effect on the trustworthiness of data.                                                         |
| Vulnerable system: availability     | High    | Serious or total effect on availability.                                                                        |
| Subsequent systems: confidentiality | None    | No effect on other systems' data secrecy.                                                                       |
| Subsequent systems: integrity       | None    | No effect on other systems' data trustworthiness.                                                               |
| Subsequent systems: availability    | None    | No effect on other systems' availability.                                                                       |

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) .

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.77994 (78.0% probability)

Percentile

99.6%

Scores of

Nov 10, 2026

Model

v2026.06.15

### CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog

BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability

Added to the catalog

Oct 16, 2026

Federal due date

Oct 19, 2026

### CISA assessment as of Oct 16, 2026

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation

Recorded by CISA as active

Automatable

yes

Technical impact

total

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

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

## Affected products

Products listed in the CVE record, as the CNA published them.

- BeyondTrust Remote Support

  - affected: up to 26.2.3

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [nvd.nist.gov/vuln/detail/CVE-2026-102764](https://nvd.nist.gov/vuln/detail/CVE-2026-102764)
- [beyondtrust.com/blog/entry/bt26-05](https://www.beyondtrust.com/blog/entry/bt26-05)
- [beyondtrustcorp.service-now.com/csm?id=csm\_kb\_article&syspa…](https://beyondtrustcorp.service-now.com/csm?id=csm%5Fkb%5Farticle&sysparm%5Farticle=KB0024066)

## Timeline

1. ID reserved Sep 29, 2026
2. Record published Oct 15, 2026
3. Added to CISA KEV Oct 16, 2026
4. Record last updated Oct 17, 2026

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:06 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)