MEDIUM5.7

GHSA-v6r4-35f9-9rpw

Hashicorp Vault has Login MFA Rate Limit Bypass Vulnerability

Quick fix

GHSA-v6r4-35f9-9rpw — github.com/hashicorp/vault: upgrade to the fixed version with the command below.

go get github.com/hashicorp/vault@v1.20.1

Details

Vault and Vault Enterprise’s (“Vault”) login MFA rate limits could be bypassed and TOTP tokens could be reused. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/hashicorp/vault

Introduced in: 1.10.0Fixed in: 1.20.1

Fixgo get github.com/hashicorp/vault@v1.20.1

References

https://nvd.nist.gov/vuln/detail/CVE-2025-6015[ADVISORY]
https://discuss.hashicorp.com/t/hcsec-2025-19-vault-login-mfa-bypass-of-rate-limiting-and-totp-token-reuse/76038[WEB]
https://github.com/hashicorp/vault[PACKAGE]