CVE-2026-14886

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-10. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

Vault Enterprise's identity entity batch-delete endpoint is vulnerable to a cross-namespace authorization bypass that may allow an authenticated caller in one namespace to permanently delete the storage backing of entities belonging to another namespace. This vulnerability (CVE-2026-14886) is fixed in Vault Enterprise 2.0.4, 1.21.9, 1.20.14 and 1.19.20.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity82% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 10, 2026
No patch confirmed yet.
generic

HCSEC-2026-27 - Vault Enterprise vulnerable to cross-namespace entity deletion - Security - HashiCorp Discuss

https://discuss.hashicorp.com/t/hcsec-2026-27-vault-enterprise-vulnerable-to-cross-namespace-entity-deletion/77634

Vendor Advisories for CVE-2026-14886(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 23× in last 7d / 104× 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 147 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-14886?
CVE-2026-14886 is a high vulnerability published on August 10, 2026. Vault Enterprise's identity entity batch-delete endpoint is vulnerable to a cross-namespace authorization bypass that may allow an authenticated caller in one namespace to permanently delete the storage backing of entities belonging to another namespace. This vulnerability (CVE-2026-14886) is fixed…
When was CVE-2026-14886 disclosed?
CVE-2026-14886 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14886 actively exploited?
CVE-2026-14886 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 84.6% of all scored CVEs.
What is the CVSS score of CVE-2026-14886?
CVE-2026-14886 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-14886?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14886, 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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