Is CVE-2026-1731 in the CISA KEV catalog?

Yes. CVE-2026-1731 is on the CISA Known Exploited Vulnerabilities list, added 2026-02-13, and has known ransomware campaign use.

What is the CVSS severity of CVE-2026-1731?

CVE-2026-1731 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2026-1731?

CVE-2026-1731 has an EPSS score of 88.11% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1731?

Upgrade privileged remote access to 25.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-1731

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

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.

CWE-78OS Command Injection

How to fix

Remediation Available

privileged remote accessNVD

Affected:< 25.1Fixed in:25.1CVE-2026-1731derived from NVD

remote supportNVD

Affected:< 25.3.2Fixed in:25.3.2CVE-2026-1731derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

88.11%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-02-16

Associated with ransomware campaigns

References

Exploit1

github.com

Vendor Advisory1

beyondtrust.com

Third-Party Advisory1

greynoise.io

Government Resource1

cisa.gov

Other references1

beyondtrustcorp.service-now.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-17.