CVE-2026-18667

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-04. a secondary CVSS source baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.6Exploit: None knownExposed: 0

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

A vulnerability in Tenable Sensor Proxy allows a remote attacker to execute code with elevated privileges by inducing an operator to connect the sensor to an attacker-controlled host.

CVSS v3
9.6
EG Score
9.6(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: Track

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
Severity96% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

August 3, 2026

Last Modified

August 18, 2026

Advisory Details (1)

Auto-updated Aug 15, 2026
No patch confirmed yet.
generic

[R1] Sensor Proxy Version 1.4.2 Fixes One Vulnerability - Security Advisory | Tenable®

https://www.tenable.com/security/tns-2026-21

Vendor Advisories for CVE-2026-18667(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 58× in last 7d / 149× 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 149 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18667?
CVE-2026-18667 is a critical vulnerability published on August 3, 2026. A vulnerability in Tenable Sensor Proxy allows a remote attacker to execute code with elevated privileges by inducing an operator to connect the sensor to an attacker-controlled host.
When was CVE-2026-18667 disclosed?
CVE-2026-18667 was first published in the National Vulnerability Database on August 3, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18667 actively exploited?
CVE-2026-18667 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 67.4% of all scored CVEs.
What is the CVSS score of CVE-2026-18667?
CVE-2026-18667 has a CVSS v3 base score of 9.6 (NVD).
How do I remediate CVE-2026-18667?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18667, 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-2026-18667

Explore →

Is Your Infrastructure Affected by CVE-2026-18667?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs