GitHub Advisoryadvisory · Go
GHSA-f7c3-mhj2-9pvg OpenBao TOTP Secrets Engine Code Reuse
MEDIUM
Official page ↗
- Aliases
- CVE-2025-55000
- Ecosystem
- Go
- Packages
- github.com/openbao/openbao
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-156
- Reviewed
- 2025-08-08
Affected packages
• Go github.com/openbao/openbao: >= 0.1.0, < 2.3.2 → fixed in 2.3.2
• Go github.com/openbao/openbao: < 0.0.0-20250806193153-183891f8d535 → fixed in 0.0.0-20250806193153-183891f8d535
Description
Impact
OpenBao's TOTP secrets engine could accept valid codes multiple times rather than strictly-once. This was caused by unexpected normalization in the underlying TOTP library.
Patches
OpenBao v2.3.2 will patch this issue.
In patching, codes which were not normalized (strictly N numeric digits) will now be rejected. This is a potentially breaking change.
Workarounds
TOTP code verification is a privileged action; only trusted systems should be verifying codes. Ensure that all codes are first normalized before submitting to the OpenBao endpoint.
References
This issue was disclosed to HashiCorp and is the OpenBao equivalent of the following tickets:
• https://discuss.hashicorp.com/t/hcsec-2025-17-vault-totp-secrets-engine-code-reuse/76036
• https://nvd.nist.gov/vuln/detail/CVE-2025-6014
Related
Alias · CVE (1)
- CVE-2025-55000 OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. vulnerability
Weakness · CWE (1)
- CWE-156 Improper Neutralization of Whitespace weakness
References
- https://github.com/openbao/openbao/security/advisories/GHSA-f7c3-mhj2-9pvg web
- https://nvd.nist.gov/vuln/detail/CVE-2025-55000 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-6014 advisory
- https://github.com/openbao/openbao/commit/183891f8d535d5b6eb3d79fda8200cade6de99e1 web
- https://discuss.hashicorp.com/t/hcsec-2025-17-vault-totp-secrets-engine-code-reuse/76036 web
- https://github.com/openbao/openbao package