Exploited vulnerability · CISA KEV

Is CVE-2026-1731 exploited? Yes: in CISA KEV since 13 Feb 2026

Gociux · BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2026-1731, BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 13 Feb 2026, 7 days after it was published. It is known to be used in ransomware campaigns. It affects BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA). If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What it is

BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)contain an OS command injection vulnerability. Successful exploitation could allow an unauthenticated remote attacker to execute operating system commands in the context of the site user. Successful exploitation requires no authentication or user interaction and may lead to system compromise, including unauthorized access, data exfiltration, and service disruption.

What to do

1. Check whether you run it. Look for Remote Support (RS) and Privileged Remote Access (PRA) in your asset inventory, including appliances and cloud images. Stack check lists every exploited BeyondTrust CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 6 Feb 2026.
4. Get told next time. Email alerts when CISA adds a CVE for BeyondTrust.

References

• nvd.nist.gov/vuln/detail/CVE-2026-1731

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in February 2026 · BeyondTrust scorecard · act-now radar.