CVE-2026-14886

HIGHPre-NVD 8.28.2—
EchelonGraph scoreHIGH 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(high)
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 12, 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 27× in last 7d / 42× 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.

  1. 2026-08-19 23:16 UTCEG score recompute
  2. 2026-08-19 23:16 UTCGHSA enrichment
  3. 2026-08-19 17:03 UTCEPSS rescore
  4. 2026-08-19 10:55 UTCGHSA enrichment
  5. 2026-08-18 22:34 UTCEG score recompute
  6. 2026-08-18 22:33 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 10:13 UTCGHSA enrichment
  9. 2026-08-17 21:52 UTCEG score recompute
  10. 2026-08-17 21:52 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-17 09:29 UTCGHSA enrichment
  13. 2026-08-16 21:08 UTCEG score recompute
  14. 2026-08-16 21:08 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 08:47 UTCEG score recompute
  17. 2026-08-16 08:47 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 20:26 UTCGHSA enrichment
  20. 2026-08-15 08:05 UTCEG score recompute
  21. 2026-08-15 08:05 UTCGHSA enrichment
  22. 2026-08-15 01:30 UTCEPSS rescore
  23. 2026-08-14 19:43 UTCGHSA enrichment
  24. 2026-08-14 07:22 UTCEG score recompute
  25. 2026-08-14 07:22 UTCGHSA enrichment
Show 17 more
  1. 2026-08-13 22:00 UTCEPSS rescore
  2. 2026-08-13 19:01 UTCGHSA enrichment
  3. 2026-08-13 06:40 UTCGHSA enrichment
  4. 2026-08-12 18:19 UTCEG score recompute
  5. 2026-08-12 18:19 UTCGHSA enrichment
  6. 2026-08-12 18:17 UTCEG score recompute
  7. 2026-08-12 18:17 UTCGHSA enrichment
  8. 2026-08-12 13:50 UTCEPSS rescore
  9. 2026-08-12 09:33 UTCGHSA enrichment
  10. 2026-08-11 21:12 UTCEG score recompute
  11. 2026-08-11 21:12 UTCGHSA enrichment
  12. 2026-08-11 13:42 UTCEPSS rescore
  13. 2026-08-11 08:51 UTCEG score recompute
  14. 2026-08-11 08:51 UTCGHSA enrichment
  15. 2026-08-10 20:30 UTCEG score recompute
  16. 2026-08-10 19:20 UTCEG score recompute
  17. 2026-08-10 19:19 UTCMITRE cvelistV5first tracked

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 12, 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 84.7% 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.

Dependency Blast Radius

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