Cross-Namespace Authorization Bypass in Vault Enterprise by HashiCorp
CVE-2026-14886

8.2HIGH

Key Information:

Vendor

Hashicorp
Status
Vault Enterprise
Vendor
CVE Published:
10 August 2026

What is CVE-2026-14886?

The Vault Enterprise's identity entity batch-delete endpoint is susceptible to a cross-namespace authorization bypass. This allows an authenticated user from one namespace to delete the storage backing of entities from another namespace, which poses significant data integrity risks. The vulnerability has been addressed in versions 2.0.4, 1.21.9, 1.20.14, and 1.19.20 of Vault Enterprise.

Affected Version(s)

Vault Enterprise 64 bit 2.0.0 < 2.0.4

References

https://discuss.hashicorp.com/t/hcsec-2026-27-vault-enter...

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was reported to HashiCorp by Harish Kolla.
.