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 mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 8.2Exploit: None knownExposed services: Not assessed

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

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
8.2HIGHmedium confidence
EG Risk
37
EG Risk 37/100CISA SSVC

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%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
23rd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

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 18× in last 7d / 88× 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 187 total refreshes for this CVE.

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

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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 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 0.3% probability of exploitation in the next 30 days (23rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-14886?
CVE-2026-14886 has a CVSS base score of 8.2 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-14886?
No fix for CVE-2026-14886 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-14886 are linked in the Vendor Advisories panel on this page.

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