CVE-2026-1731

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-02-13), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 90%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · Metasploit · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
90%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

February 6, 2026

Last Modified

June 17, 2026

Advisory Details (4)

Auto-updated Sep 21, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic🟡 PoC Available

Reconnaissance Has Begun for the New BeyondTrust RCE (CVE-2026-1731): Here's What We See So Far

https://www.greynoise.io/blog/reconnaissance-beyondtrust-rce-cve-2026-1731
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1731
generic

GitHub - win3zz/CVE-2026-1731: CVE-2026-1731 - Critical command injection vulnerability in BeyondTrust Remote Support and Privileged Remote Access due to unsafe Bash arithmetic evaluation in a WebSocket-reachable script · GitHub

https://github.com/win3zz/CVE-2026-1731
generic

CSM Login Okta - Customer Support

https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0023293

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 51× in last 7d / 225× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 831 total refreshes for this CVE.

  1. 2026-09-22 12:06 UTCGHSA enrichment
  2. 2026-09-22 08:09 UTCGHSA enrichment
  3. 2026-09-22 04:11 UTCGHSA enrichment
  4. 2026-09-22 00:14 UTCEG score recompute
  5. 2026-09-22 00:14 UTCGHSA enrichment
  6. 2026-09-21 20:17 UTCGHSA enrichment
  7. 2026-09-21 19:09 UTCCISA KEV update
  8. 2026-09-21 16:20 UTCGHSA enrichment
  9. 2026-09-21 12:23 UTCGHSA enrichment
  10. 2026-09-21 08:25 UTCGHSA enrichment
  11. 2026-09-21 04:27 UTCGHSA enrichment
  12. 2026-09-21 00:27 UTCGHSA enrichment
  13. 2026-09-20 20:30 UTCGHSA enrichment
  14. 2026-09-20 16:32 UTCGHSA enrichment
  15. 2026-09-20 12:34 UTCGHSA enrichment
  16. 2026-09-20 08:37 UTCGHSA enrichment
  17. 2026-09-20 04:40 UTCGHSA enrichment
  18. 2026-09-20 00:41 UTCGHSA enrichment
  19. 2026-09-19 20:44 UTCGHSA enrichment
  20. 2026-09-19 16:47 UTCGHSA enrichment
  21. 2026-09-19 12:49 UTCGHSA enrichment
  22. 2026-09-19 08:52 UTCGHSA enrichment
  23. 2026-09-19 04:53 UTCGHSA enrichment
  24. 2026-09-19 00:56 UTCGHSA enrichment
  25. 2026-09-18 20:59 UTCEG score recompute
Show 75 more
  1. 2026-09-18 20:59 UTCGHSA enrichment
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-18 19:20 UTCCISA KEV update
  4. 2026-09-18 17:02 UTCGHSA enrichment
  5. 2026-09-18 14:15 UTCCISA KEV update
  6. 2026-09-18 13:03 UTCGHSA enrichment
  7. 2026-09-18 09:05 UTCGHSA enrichment
  8. 2026-09-18 05:08 UTCGHSA enrichment
  9. 2026-09-18 01:11 UTCGHSA enrichment
  10. 2026-09-17 21:14 UTCGHSA enrichment
  11. 2026-09-17 17:16 UTCGHSA enrichment
  12. 2026-09-17 13:17 UTCGHSA enrichment
  13. 2026-09-17 09:20 UTCGHSA enrichment
  14. 2026-09-17 05:22 UTCGHSA enrichment
  15. 2026-09-17 01:25 UTCGHSA enrichment
  16. 2026-09-16 21:28 UTCGHSA enrichment
  17. 2026-09-16 17:30 UTCEG score recompute
  18. 2026-09-16 17:30 UTCGHSA enrichment
  19. 2026-09-16 14:10 UTCCISA KEV update
  20. 2026-09-16 14:07 UTCEPSS rescore
  21. 2026-09-16 13:30 UTCGHSA enrichment
  22. 2026-09-16 09:32 UTCGHSA enrichment
  23. 2026-09-16 05:34 UTCGHSA enrichment
  24. 2026-09-16 01:37 UTCGHSA enrichment
  25. 2026-09-15 21:39 UTCGHSA enrichment
  26. 2026-09-15 17:42 UTCGHSA enrichment
  27. 2026-09-15 13:45 UTCGHSA enrichment
  28. 2026-09-15 09:47 UTCGHSA enrichment
  29. 2026-09-15 05:50 UTCGHSA enrichment
  30. 2026-09-15 01:52 UTCGHSA enrichment
  31. 2026-09-14 21:54 UTCGHSA enrichment
  32. 2026-09-14 19:24 UTCCISA KEV update
  33. 2026-09-14 17:57 UTCGHSA enrichment
  34. 2026-09-14 14:00 UTCGHSA enrichment
  35. 2026-09-14 10:03 UTCGHSA enrichment
  36. 2026-09-14 06:05 UTCGHSA enrichment
  37. 2026-09-14 02:08 UTCGHSA enrichment
  38. 2026-09-13 22:11 UTCGHSA enrichment
  39. 2026-09-13 18:14 UTCGHSA enrichment
  40. 2026-09-13 14:16 UTCGHSA enrichment
  41. 2026-09-13 10:19 UTCGHSA enrichment
  42. 2026-09-13 06:21 UTCGHSA enrichment
  43. 2026-09-13 02:23 UTCGHSA enrichment
  44. 2026-09-12 22:26 UTCGHSA enrichment
  45. 2026-09-12 18:28 UTCEG score recompute
  46. 2026-09-12 18:28 UTCGHSA enrichment
  47. 2026-09-12 15:00 UTCEPSS rescore
  48. 2026-09-12 14:30 UTCGHSA enrichment
  49. 2026-09-12 10:32 UTCGHSA enrichment
  50. 2026-09-12 06:34 UTCGHSA enrichment
  51. 2026-09-12 02:37 UTCGHSA enrichment
  52. 2026-09-11 22:39 UTCGHSA enrichment
  53. 2026-09-11 18:49 UTCCISA KEV update
  54. 2026-09-11 18:40 UTCGHSA enrichment
  55. 2026-09-11 14:42 UTCGHSA enrichment
  56. 2026-09-11 10:44 UTCEG score recompute
  57. 2026-09-11 10:44 UTCGHSA enrichment
  58. 2026-09-11 09:36 UTCEPSS rescore
  59. 2026-09-11 06:47 UTCGHSA enrichment
  60. 2026-09-11 02:49 UTCGHSA enrichment
  61. 2026-09-10 22:52 UTCGHSA enrichment
  62. 2026-09-10 19:28 UTCCISA KEV update
  63. 2026-09-10 18:54 UTCGHSA enrichment
  64. 2026-09-10 14:57 UTCGHSA enrichment
  65. 2026-09-10 10:59 UTCEG score recompute
  66. 2026-09-10 10:59 UTCGHSA enrichment
  67. 2026-09-10 09:34 UTCEPSS rescore
  68. 2026-09-10 07:01 UTCGHSA enrichment
  69. 2026-09-10 03:04 UTCGHSA enrichment
  70. 2026-09-09 23:05 UTCGHSA enrichment
  71. 2026-09-09 19:08 UTCGHSA enrichment
  72. 2026-09-09 19:08 UTCCISA KEV update
  73. 2026-09-09 15:11 UTCGHSA enrichment
  74. 2026-09-09 11:14 UTCGHSA enrichment
  75. 2026-09-09 07:16 UTCGHSA enrichment

Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCjakubie07/CVE-2026-1731
    First seen Feb 18, 2026

    CVE-2026-1731 PoC

    Open source ↗
  • GitHub PoCcybrdude/cve-2026-1731-scanner
    First seen Feb 13, 2026

    Passive vulnerability scanner for CVE-2026-1731 — BeyondTrust RS/PRA pre-auth RCE (CVSS 9.9). Educational & defensive use only.

    Open source ↗
  • GitHub PoCwin3zz/CVE-2026-1731
    First seen Feb 11, 2026

    CVE-2026-1731 - Critical command injection vulnerability in BeyondTrust Remote Support and Privileged Remote Access due to unsafe Bash arithmetic evaluation in a WebSocket-reachable script

    Open source ↗
  • Metasploitexploit/linux/http/beyondtrust_pra_rs_command_injection✓ verified
    First seen Feb 6, 2026

    BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) unauthenticated Remote Code Execution

    Open source ↗
  • Nucleijavascript/cves/2026/CVE-2026-1731.yaml
    First seen Jan 1, 2026

    BeyondTrust Remote Support - Unauthenticated WebSocket RCE

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2026-1731?
CVE-2026-1731 is a critical vulnerability published on February 6, 2026. 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…
When was CVE-2026-1731 disclosed?
CVE-2026-1731 was first published in the National Vulnerability Database on February 6, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1731 actively exploited?
Yes. CISA added CVE-2026-1731 to the Known Exploited Vulnerabilities catalog on February 13, 2026, affecting BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-1731?
CVE-2026-1731 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2026-1731?
CVE-2026-1731 affects BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA). The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-1731?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1731, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-1731

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