HashiCorp Vault and Vault Enterprise allowed the renewal of nearly-expired token leases and dynamic secret leases (specifically those within 1 second of their maximum TTL) which caused them to be incorrectly treated as non-expiring during subsequent use. Fixed in 1.5.9 1.6.5 and 1.7.2.

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CVE-2021-32923

HashiCorp Vault and Vault Enterprise allowed the renewal of nearly-expired token leases and dynamic secret leases specifically, those within 1 second of their maximum TTL, which caused them to be incorrectly treated as non-expiring during subsequent use. Fixed in 1.5.9, 1.6.5, and 1.7.2...