CVE-2026-1731
CVE-2026-1731 is a critical-severity vulnerability in Beyondtrust Privileged Remote Access with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-02-13). The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 9.9
- EPSS exploit prediction: 89% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2026-02-13)
- EU (EUVD) id: EUVD-2026-5559
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-02-13)
- Weakness: CWE-78
- Affected product: Beyondtrust Privileged Remote Access
- Published:
- Last modified:
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.
Frequently asked questions
- 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.
- How severe is CVE-2026-1731?
- CVE-2026-1731 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-1731 being actively exploited?
- Yes. CVE-2026-1731 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-02-13, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2026-1731?
- CVE-2026-1731 primarily affects Beyondtrust Privileged Remote Access. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-1731?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2026-1731 have an EU (EUVD) identifier?
- Yes. CVE-2026-1731 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5559. It is also flagged as exploited in the EUVD (since 2026-02-13).
- When was CVE-2026-1731 published?
- CVE-2026-1731 was published on 2026-02-06 and last updated on 2026-06-17.
References
- https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293
- https://www.beyondtrust.com/trust-center/security-advisories/bt26-02
- https://github.com/win3zz/CVE-2026-1731
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731
- https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731
Affected products (2)
- cpe:2.3:a:beyondtrust:privileged_remote_access:*:*:*:*:*:*:*:*
- cpe:2.3:a:beyondtrust:remote_support:*:*:*:*:*:*:*:*
More vulnerabilities in Beyondtrust Privileged Remote Access
- CVE-2026-40141 — Critical (CVSS 9.9): A high-severity vulnerability exists in a web application component of BeyondTrust Remote Support and Privileged Remote…
- CVE-2026-40139 — Critical (CVSS 9.8): A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote…
- CVE-2025-5309 — Critical (CVSS 9.8): The chat feature within Remote Support (RS) and Privileged Remote Access (PRA) is vulnerable to a Server-Side Template…
- CVE-2024-12356 — Critical (CVSS 9.8): A critical vulnerability has been discovered in Privileged Remote Access (PRA) and Remote Support (RS) products which…
- CVE-2023-4310 — Critical (CVSS 9.8): BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) versions 23.2.1 and 23.2.2 contain a command…
- CVE-2026-40138 — High (CVSS 8.1): A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support and…
All CVEs affecting Beyondtrust Privileged Remote Access →
Other CWE-78 (OS Command Injection) vulnerabilities
- CVE-2026-19188 — Critical (CVSS 10.0): A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The…
- CVE-2026-48362 — Critical (CVSS 10.0): ColdFusion is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')…
- CVE-2026-16812 — Critical (CVSS 10.0): VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access…
- CVE-2026-6516 — Critical (CVSS 10.0): Zohocorp ManageEngine ADAudit Plus versions before 8606 are affected by Unauthenticated Remote code execution due to…
- CVE-2026-46339 — Critical (CVSS 10.0): 9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect…
- CVE-2026-59726 — Critical (CVSS 10.0): Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment…