CVE-2026-1731

CRITICAL KEV RANSOMWARE NUCLEI

BeyondTrust Privileged Remote Access < 25.1 and Remote Support < 25.3.2 - Unauthenticated Remote Code Execution

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2026-1731 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added February 13, 2026, with confirmed use in ransomware campaigns. EIP tracks 13 public exploits from researchers including win3zz, XiaomingX, bytehazard, including a Metasploit module exploits/linux/http/beyondtrust_pra_rs_command_injection. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository contains a functional PoC for CVE-2026-1731, a pre-authentication RCE vulnerability in BeyondTrust Remote Support/PRA. The exploit leverages command injection via WebSocket handshake manipulation, targeting the `thin-scc-wrapper` script's arithmetic comparison logic.

Description

BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.

Exploits (13)

nomisec WORKING POC 14 stars
by win3zz · poc
https://github.com/win3zz/CVE-2026-1731

This repository contains a functional PoC for CVE-2026-1731, a pre-authentication RCE vulnerability in BeyondTrust Remote Support/PRA. The exploit leverages command injection via WebSocket handshake manipulation, targeting the `thin-scc-wrapper` script's arithmetic comparison logic.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: BeyondTrust Remote Support/Privileged Remote Access
No auth needed
Prerequisites: WebSocket access to target · websocat binary · Python 3.x
devstral-2 · analyzed Feb 16, 2026 Full analysis →
github WORKING POC 10 stars
by XiaomingX · pythonpoc
https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-1731

The repository contains a functional SQL injection exploit for WordPress Quiz Maker (CVE-2025-10042), demonstrating time-based blind SQLi via crafted HTTP headers. The exploit includes data extraction logic for WordPress admin credentials and hashes.

Classification
Working Poc 95%
Attack Type
Sqli
Complexity
Moderate
Reliability
Reliable
Target: WordPress Quiz Maker <= 6.7.0.56
No auth needed
Prerequisites: target WordPress URL · path to quiz page · vulnerable header (default: X-Forwarded-For)
devstral-2 · analyzed Feb 27, 2026 Full analysis →
nomisec WRITEUP 5 stars
by bytehazard · poc
https://github.com/bytehazard/CVE-2026-1731

The repository describes a high-severity unauthenticated RCE vulnerability (CVE-2026-1731) affecting RS <=25.3.1 and PRA <=24.3.4 via OS command injection in HTTP POST requests to the /appliance endpoint. The README provides an overview but lacks actual exploit code or technical details.

Classification
Writeup 80%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: RS <=25.3.1, PRA <=24.3.4
No auth needed
Prerequisites: Network access to target · Vulnerable version of RS or PRA
devstral-2 · analyzed Feb 16, 2026 Full analysis →
github WORKING POC 4 stars
by adminlove520 · pythonpoc
https://github.com/adminlove520/CVE-Poc_All_in_One/tree/main/2026/CVE-2026-1731

This repository contains a functional Rust-based exploit for CVE-2026-1731, a blind RCE vulnerability affecting Privileged Remote Access and Remote Support software. The exploit establishes a WebSocket connection, sends a crafted payload to execute arbitrary commands, and handles both HTTP and HTTPS targets.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Privileged Remote Access <= 24.3.4, Remote Support <= 25.3.1
No auth needed
Prerequisites: target URL list · valid company name extracted from target
devstral-2 · analyzed May 22, 2026 Full analysis →
nomisec SCANNER 4 stars
by cybrdude · poc
https://github.com/cybrdude/cve-2026-1731-scanner

This repository contains a passive vulnerability scanner for CVE-2026-1731, a critical pre-authentication RCE vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA). The scanner uses multiple HTTP-based fingerprinting techniques to detect vulnerable instances without sending exploit payloads.

Classification
Scanner 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: BeyondTrust Remote Support (RS) ≤ 25.3.1, Privileged Remote Access (PRA) ≤ 24.3.4
No auth needed
Prerequisites: Network access to the target system · Python 3.8+
devstral-2 · analyzed Feb 16, 2026 Full analysis →
github WORKING POC 1 stars
by jakubie07 · rustremote
https://github.com/jakubie07/CVE-2026-1731

This repository contains a functional Rust-based PoC for CVE-2026-1731, a blind RCE vulnerability affecting Privileged Remote Access (<=24.3.4) and Remote Support (<=25.3.1). The exploit sends crafted requests to vulnerable endpoints and executes arbitrary commands without returning output.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Privileged Remote Access (<=24.3.4), Remote Support (<=25.3.1)
No auth needed
Prerequisites: Network access to vulnerable endpoint · Valid target URL list
devstral-2 · analyzed Feb 18, 2026 Full analysis →
github SCANNER
by ridhinva · pythonpoc
https://github.com/ridhinva/CVE-2026-1731-BeyondTrust-RCE

The repository contains a Python-based scanner for detecting potential exposure to CVE-2026-1731, a critical pre-authentication RCE vulnerability in BeyondTrust Remote Support and Privileged Remote Access. It checks for accessible endpoints but does not include exploit code for command execution.

Classification
Scanner 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Theoretical
Target: BeyondTrust Remote Support and Privileged Remote Access (older versions)
No auth needed
Prerequisites: network access to target endpoints
devstral-2 · analyzed May 23, 2026 Full analysis →
github WORKING POC
by XZ1r0 · pythonpoc
https://github.com/XZ1r0/cve-2026-poc-collection/tree/main/other/CVE-2026-1731

This repository contains a functional Rust-based PoC for CVE-2026-1731, a blind RCE vulnerability in Privileged Remote Access and Remote Support software. The exploit establishes a WebSocket connection and sends a crafted payload to execute arbitrary commands.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Privileged Remote Access <= 24.3.4, Remote Support <= 25.3.1
No auth needed
Prerequisites: target URL list · network access to vulnerable service
devstral-2 · analyzed May 21, 2026 Full analysis →
nomisec WORKING POC
by zensheII · remote
https://github.com/zensheII/CVE-2026-1731-PoC

This repository contains a functional Python-based PoC for CVE-2026-1731, a pre-authentication RCE vulnerability in BeyondTrust Remote Support systems. The exploit automates discovery of Organization IDs and leverages WebSocket injection via websocat to execute commands.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: BeyondTrust Remote Support
No auth needed
Prerequisites: Python 3.8+ · websocat installed · requests and urllib3 libraries · list of target domains in d0mains.txt
devstral-2 · analyzed Mar 22, 2026 Full analysis →
nomisec WORKING POC
by LutfifakeeXone · poc
https://github.com/LutfifakeeXone/CVE-2026-1731

This repository contains a functional exploit for CVE-2026-1731, a pre-authentication command injection vulnerability in BeyondTrust Remote Support and Privileged Remote Access. The exploit leverages Bash arithmetic evaluation on attacker-controlled input in the 'thin-scc-wrapper' script to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: BeyondTrust Remote Support (≤ 25.3.1), BeyondTrust Privileged Remote Access (≤ 24.3.4)
No auth needed
Prerequisites: Python 3.x · requests library · websocat binary · target list in domains.txt
devstral-2 · analyzed Mar 20, 2026 Full analysis →
nomisec SCANNER
by hexissam · poc
https://github.com/hexissam/CVE-2026-1731

This repository contains a Python-based scanner for detecting exposed BeyondTrust Remote Support / Privileged Remote Access services potentially vulnerable to CVE-2026-1731. It performs passive fingerprinting and service detection without exploiting the vulnerability.

Classification
Scanner 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS)
No auth needed
Prerequisites: Network access to the target system
devstral-2 · analyzed Feb 22, 2026 Full analysis →
nomisec SUSPICIOUS
by richardpaimu34 · poc
https://github.com/richardpaimu34/CVE-2026-1731

The repository claims to provide an exploit for CVE-2026-1731 but lacks actual exploit code, instead directing users to an external download link. The README contains vague marketing language and no technical details about the vulnerability.

Classification
Suspicious 90%
Attack Type
Other
Complexity
Theoretical
Reliability
Theoretical
Target: BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)
No auth needed
Prerequisites: none specified
devstral-2 · analyzed Feb 21, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
by Harsh Jaiswal, Jonah Burgess (CryptoCat) · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/beyondtrust_pra_rs_command_injection.rb

This Metasploit module exploits CVE-2026-1731, an unauthenticated remote code execution vulnerability in BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) via command injection in a WebSocket connection. It leverages a Bash arithmetic evaluation flaw to execute arbitrary commands.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: BeyondTrust Privileged Remote Access (PRA) <= 24.3.4, Remote Support (RS) <= 25.3.1
No auth needed
Prerequisites: WebSocket access to the target · Valid company name or FQDN for the deployed site
devstral-2 · analyzed Feb 25, 2026 Full analysis →

Nuclei Templates (1)

BeyondTrust Remote Support - Unauthenticated WebSocket RCE
CRITICALVERIFIEDby attackerkb,hacktron,pdteam
Shodan: http.html:"BeyondTrust"

Scores

CVSS v3 9.8
EPSS 0.8198
EPSS Percentile 99.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable yes
Technical Impact total

Details

CISA KEV 2026-02-13
VulnCheck KEV 2026-02-12
ENISA EUVD EUVD-2026-5559
Ransomware Use Confirmed
CWE
CWE-78
Status published
Products (2)
beyondtrust/privileged_remote_access < 25.1
beyondtrust/remote_support < 25.3.2
Published Feb 06, 2026
KEV Added Feb 13, 2026
Tracked Since Feb 18, 2026