Vault Enterprise vulnerable to cross-namespace entity deletion (CVE-2026-14886) | HOL Guard CVE

High · CVSS 8.2CVE-2026-14886

Vault Enterprise vulnerable to cross-namespace entity deletion

Answer in brief

CVE-2026-14886 records a High severity (CVSS 8.2) vulnerability in Vault Enterprise vulnerable to cross-namespace entity deletion. The current sources do not mark it as known exploited. The current feed maps HashiCorp/Vault Enterprise (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 10, 2026Updated Aug 28, 2026Source checked Sep 25, 2026First seen by HOL Aug 10, 2026Material review Aug 28, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 8.2
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps HashiCorp/Vault Enterprise (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
HashiCorp/Vault Enterprisegeneric	>=2.0.0 <2.0.4	2.0.4

Recommended response

Check inventory. Check lockfiles and deployed manifests for HashiCorp/Vault Enterprise.
Review the reported fix. Update HashiCorp/Vault Enterprise to 2.0.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 10, 2026

Sources and claim methodology

Source referencediscuss.hashicorp.com

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.