CVE-2026-1731 | defend.network

What is 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 attacker may be able to execute operating system commands in the context of the site user.

CVSS9.8 NVD 3.1

SeverityCRITICAL

Exploitation In the wild In CISA KEV

EPSS87% · P100

Triage statusActive Exploit

ActionPatch immediately

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

NVD published2026-02-06

NVD last modified2026-06-17

Timeline

2026-02-06Published to the U.S. National Vulnerability Database (NVD)
2026-02-13Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
2026-02-16CISA federal remediation deadline (BOD 22-01)
2026-04-22First covered in a defend.network daily briefing
2026-06-17NVD record last updated

CISA Known Exploited Vulnerability

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

Added to KEV2026-02-13

Federal patch deadline2026-02-16

Known ransomware useKnown

Affected product

BeyondTrust Remote Support (RS) And Privileged Remote Access (PRA)

NVD also lists CPE entries for: Beyondtrust Privileged Remote Access, Beyondtrust Remote Support

References

Referenced in our briefings & reports

Docker & npm supply-chain hits; Lotus Wiper on Venezuelan energy (2026-04-23)
Russian APT token theft; Gentlemen ransomware claims 1,570 victims (2026-04-22)

Browse all tracked CVEs in the defend.network CVE database →

🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.