CVE-2026-1731

9.9 CRITICAL 94% exploit odds Drop everything exploited in the wild Fix listed Injection

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
In the wild: CISA lists this as exploited in real attacks. Treat as urgent.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-01-31 23:54 UTC ReservedThe CVE id was reserved by its CNA
2026-02-06 22:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-02-13 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
2026-02-16 Remediation deadlineCISA's due date for federal agencies to fix it
2026-06-17 10:16 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
Exploit odds: 93.9% in the next 30 days (EPSS).
Severity: 9.9 CRITICAL (CVSS).
Fix: a patch or advisory is linked.
It meets the bar for Drop everything: critical, and exploited or very likely to be.

Details

Published: 2026-02-06 22:16 UTC
Last modified: 2026-06-17 10:16 UTC
Added to CISA KEV: 2026-02-13
Exploit probability: 93.9% · EPSS, next 30 days
Weakness: CWE-78 · OS command injection
Record status: Analyzed

Affected

Beyondtrust Privileged Remote Access < 25.1
Beyondtrust Remote Support < 25.3.2

Attack profile CVSS 4.0 · 9.9

Attack vector: Network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-1731.md and follow it. Check whether this project is affected by CVE-2026-1731. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

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

References

NVD record · CVE.org record