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Critical HashiCorp Vault Vulnerability Enables Authentication Bypass

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

A critical authentication bypass vulnerability has been identified in HashiCorp's Vault Terraform Provider, affecting versions v4.2.0 and later. This flaw allows attackers to authenticate to Vault without valid credentials, posing significant security risks to users of the affected software.

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