{"id":"CVE-2026-1731","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-1731","generatedAt":"2026-10-31T05:59:58.928Z","title":"BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA) OS Command Injection Vulnerability","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.","published":"2026-02-06T22:16:11.000Z","lastModified":"2026-06-17T10:16:25.000Z","status":"Analyzed","sourceIdentifier":"13061848-ea10-403d-bd75-c83a022c2891","cvss":{"version":"4.0","score":9.9,"severity":"CRITICAL","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/M"},"cwe":["CWE-78"],"affected":["beyondtrust/privileged remote access","beyondtrust/remote support"],"epss":{"score":0.931,"percentile":0.99833,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.90691,"percentile":0.99801}]},"kev":{"listed":true,"dateAdded":"2026-02-13","dueDate":"2026-02-16","knownRansomwareCampaignUse":"Known","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nPlease adhere to the vendor's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible BeyondTrust products affected by this vulnerability. For more information please: see: https://www.beyondtrust.com/trust-center/security-advisories/bt26-02 ; https://nvd.nist.gov/vuln/detail/CVE-2026-1731"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 16 February 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293","tags":["Permissions Required"],"source":"13061848-ea10-403d-bd75-c83a022c2891"},{"url":"https://www.beyondtrust.com/trust-center/security-advisories/bt26-02","tags":["Vendor Advisory"],"source":"13061848-ea10-403d-bd75-c83a022c2891"},{"url":"https://github.com/win3zz/CVE-2026-1731","tags":["Exploit","Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731","tags":["Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-1731","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}