CVE-2026-1731

BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection

9.8 CRITICALActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 91.7%

Published6 Feb 2026
Added to CISA KEV13 Feb 2026
Remediation due16 Feb 2026

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.

Added to KEV: 13 Feb 2026Federal remediation due: 16 Feb 2026Used in ransomware

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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Beyondtrust Privileged Remote Access< 25.1

Beyondtrust Remote Support< 25.3.2

Remediation

Fixed in

Beyondtrust Privileged Remote Access≥ 25.1

Beyondtrust Remote Support≥ 25.3.2

Patch & vendor advisories

https://www.beyondtrust.com/trust-center/security-advisories/bt26-02

References

https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293Permissions Required
https://github.com/win3zz/CVE-2026-1731ExploitThird Party Advisory
https://www.beyondtrust.com/trust-center/security-advisories/bt26-02Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731US Government Resource
https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731Third Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2026-1731 being actively exploited?

Yes. CVE-2026-1731 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 13 Feb 2026. It has been used in ransomware campaigns.

How severe is CVE-2026-1731?

CVE-2026-1731 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 91.7% probability of exploitation.

Which products are affected by CVE-2026-1731?

Affected products include Beyondtrust Privileged Remote Access, Beyondtrust Remote Support.

How do I fix CVE-2026-1731?

Upgrade affected software to a fixed version, for example Beyondtrust Privileged Remote Access 25.1, Beyondtrust Remote Support 25.3.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-1731 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.