CVE-2026-14891

HIGHPre-NVD 8.78.7—
EchelonGraph scoreMEDIUM confidence

Score 8.7 from GitHub Security Advisory (severity: HIGH) published 2026-07-08. a secondary CVSS source baseline 8.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: None knownExposed: 0

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

HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability, CVE-2026-14891, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.

CVSS v3
8.7
EG Score
8.7(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity87% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

HCSEC-2026-21 - Nomad vulnerable to sandbox escape in Docker task driver - Security - HashiCorp Discuss

https://discuss.hashicorp.com/t/hcsec-2026-21-nomad-vulnerable-to-sandbox-escape-in-docker-task-driver/77561

Vendor Advisories for CVE-2026-14891(2)

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 18× in last 7d / 113× 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 174 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-14891?
CVE-2026-14891 is a high vulnerability published on July 8, 2026. HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability,…
When was CVE-2026-14891 disclosed?
CVE-2026-14891 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14891 actively exploited?
CVE-2026-14891 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 60.1% of all scored CVEs.
What is the CVSS score of CVE-2026-14891?
CVE-2026-14891 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-14891?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14891, 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.

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