CVE-2026-67394

CRITICALPre-NVD 9.09.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.0 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 1.3%, top 31% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
9.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.0Exploit: None knownExposed: 0

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

A critical local privilege escalation via OS command injection vulnerability has been discovered in Plesk for Linux, affecting all versions from 18.0.34 before 18.0.79.9 and 18.0.80.5. The vulnerability allows a customer or reseller with shell access (or allowed to change their own shell access) to elevate privileges to the root account on the hosting server.

CVSS v3
9.0
EG Score
9.0(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity90% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
69%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 3, 2026

References (1)

Vendor Advisories for CVE-2026-67394(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 54× in last 7d / 191× 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 191 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-67394?
CVE-2026-67394 is a critical vulnerability published on September 1, 2026. A critical local privilege escalation via OS command injection vulnerability has been discovered in Plesk for Linux, affecting all versions from 18.0.34 before 18.0.79.9 and 18.0.80.5. The vulnerability allows a customer or reseller with shell access (or allowed to change their own shell access) to…
When was CVE-2026-67394 disclosed?
CVE-2026-67394 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-67394 actively exploited?
CVE-2026-67394 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 31.1% of all scored CVEs.
What is the CVSS score of CVE-2026-67394?
CVE-2026-67394 has a CVSS v3 base score of 9.0 (NVD).
How do I remediate CVE-2026-67394?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-67394, 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

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