Vault and Vault Enterprise’s (“Vault”) TOTP Secrets Engine code validation endpoint is susceptible to code reuse within its validity period. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as whitespace when they are sent to a downstream component.
Link | Tags |
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https://discuss.hashicorp.com/t/hcsec-2025-17-vault-totp-secrets-engine-code-reuse/76036 | vendor advisory |