Unauthorized Access Vulnerability in HashiCorp Vault and Vault Enterprise
CVE-2026-92735

5.9MEDIUM

Key Information:

Vendor

Hashicorp
Status
Vault
Vault Enterprise
Vendor
CVE Published:
12 November 2026

What is CVE-2026-92735?

HashiCorp Vault and Vault Enterprise exhibit a serious security vulnerability during the integrated storage join process. This flaw can potentially allow an unauthenticated attacker to gain network access to a previously uninitialized node, leading to unauthorized transmission of sensitive credentials from the server environment to a server controlled by the attacker. Users are encouraged to upgrade to the fixed versions: Vault Community Edition 2.2.2 and Vault Enterprise versions 2.2.2, 1.21.14, and 1.19.25 to mitigate this risk.

Affected Version(s)

Vault 64 bit 1.2.0 < 2.2.2

Vault Enterprise 64 bit 1.2.0 < 2.2.2

References

https://discuss.hashicorp.com/t/hcsec-2026-55-vault-integ...

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was reported to HashiCorp by Tal Vaknin, Independent Security Researcher.
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