What is CVE-2026-1731?

CVE-2026-1731 is a critical-severity vulnerability in Beyondtrust Privileged_remote_access, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-02-06.

How severe is CVE-2026-1731?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-1731 known to be exploited?

Yes. CVE-2026-1731 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-13), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

RCE in Beyondtrust Privileged_remote_access

CVE-2026-1731

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 attack…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.881 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2026-02-13. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2026-02-16.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

13061848-ea10-403d-bd75-c83a022c2891 (Permissions Required)
13061848-ea10-403d-bd75-c83a022c2891 (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory)

Frequently asked questions

What is CVE-2026-1731?: CVE-2026-1731 is a critical-severity vulnerability in Beyondtrust Privileged_remote_access, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-02-06.
How severe is CVE-2026-1731?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-1731 known to be exploited?: Yes. CVE-2026-1731 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-13), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.