VulnTideExploited vulnerabilities, by vendor. Data as of .
Known exploitedIn CISA's KEV catalog since Ransomware use: known
BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)

CVE-2026-1731: BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 7 days after the CVE record was published.

How likely is exploitation in the next 30 days?
93.1%

EPSS score, percentile 99.8 of all scored records

How severe?
9.9 Critical

CVSS v4.0 base score, given by the CNA

What should I do?

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

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • RS 25.3.1 and earlier
  • PRA 24.3.4 and earlier

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

What to do

Required action, set by CISA

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

CISA due date for this action: .

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

BeyondTrust Remote Support(RS) & Privileged Remote Access(PRA)
StatusVersions
AffectedRS 25.3.1 and earlier
AffectedPRA 24.3.4 and earlier

Versions not listed are: unaffected.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

About this vulnerability

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.

Summary: CISA's KEV catalog, as of .

  • CISA added CVE-2026-1731 to its Known Exploited Vulnerabilities (KEV) catalog on 13 Feb 2026.
  • CISA marks it as known to be used in ransomware campaigns.
  • The due date CISA sets for the required action is 16 Feb 2026.
  • The CVE record was published on 6 Feb 2026, 7 days before it was added to KEV.
  • The CVE record carries a CVSS v4.0 base score of 9.9 (Critical), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 93.1% (percentile 99.8), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.

Description

Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

Weakness

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Attack patterns (CAPEC)

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
CVE record published
Added to CISA KEV
CISA due date for the required action
CVE record last updated

References

More exploited BeyondTrust vulnerabilities

  • CVE-2026-102764: BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability (added )
  • CVE-2024-12686: BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) OS Command Injection Vulnerability (added )
  • CVE-2024-12356: BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) Command Injection Vulnerability (added )