CVE-2026-1731
CriticalExploitedPublic exploitRemote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)
Published Feb 6, 2026 · Updated Feb 26, 2026
Key Facts
Patch immediately- CVE-2026-1731 is a critical-severity vulnerability (CVSS 9.9 v4) affecting Privileged Remote Access (Beyondtrust), Remote Support (Beyondtrust), Remote Support(RS) & Privileged Remote Access(PRA).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 9, 2026 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 92% probability of exploitation in the next 30 days.
- Fixed versions are available, including Privileged Remote Access 25.1, Remote Support 25.3.2.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v4
9.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (30-day exploit likelihood)
92%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-1731 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Feb 13, 2026 | Feb 16, 2026 | Known |
| Industry KEV feed | Feb 9, 2026 | Feb 16, 2026 | Known |
| CIRCL KEV | Feb 13, 2026 | Feb 16, 2026 | Not reported |
| ENISA EUVD | Feb 13, 2026 | n/a | Not reported |
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.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Privileged Remote AccessBeyondtrust | See advisory | 25.1 |
| Remote SupportBeyondtrust | See advisory | 25.3.2 |
| Remote Support(RS) & Privileged Remote Access(PRA) | See advisory | n/a |
Patched Releases
Privileged Remote Access
25.1
Remote Support
25.3.2
Timeline
Publicly disclosed
Feb 6, 2026
Added to Industry KEV feed
Feb 9, 2026
Added to CISA KEV
Feb 13, 2026
Added to CIRCL KEV
Feb 13, 2026
Added to ENISA EUVD
Feb 13, 2026
Last updated
Feb 26, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttps://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitMSF beyondtrust_pra_rs_command_injection.rb
- exploithttps://github.com/win3zz/CVE-2026-1731
FAQ
Common Questions.
BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability.
Affected: Privileged Remote Access (Beyondtrust); Remote Support (Beyondtrust); Remote Support(RS) & Privileged Remote Access(PRA). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 9, 2026 and is known to be used in ransomware campaigns.
Yes. It was added on Feb 13, 2026 with a federal remediation due date of Feb 16, 2026.
Public exploit code is available.
Fixed versions are available, including Privileged Remote Access 25.1, Remote Support 25.3.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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