Pre-auth RCE in widely used BeyondTrust RS/PRA could lead to full compromise without credentials.
CVE-2026-1731
Unauthenticated RCE in BeyondTrust RS/PRA via crafted requests
Is CVE-2026-1731 being exploited?
Yes. CVE-2026-1731 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2026-1731?
CVE-2026-1731 is rated Critical. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-1731?
Yes. A fix has been recorded for CVE-2026-1731. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-1731 affect?
CVE-2026-1731 affects BeyondTrust Remote Support (RS), BeyondTrust Privileged Remote Access (PRA) - older versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-1731?
Patch when available; restrict RS/PRA access; monitor for abuse
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution; attacker can run OS commands as site user via crafted requests.
Immediate action required
- affected<= RS 25.3.1
- affected<= PRA 24.3.4
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.