medium5.3
CVE-2025-54998
OpenBao Userpass and LDAP User Lockout Bypass
Impact
### Impact Attackers could bypass the automatic user lockout mechanisms in the OpenBao Userpass or LDAP auth systems. This was caused by different aliasing between pre-flight and full login request user entity alias attributions. ### Patches OpenBao v2.3.2 will patch this issue. ### Workarounds Existing users may apply rate-limiting quotas on the authentication endpoints: https://openbao.org/api-docs/system/rate-limit-quotas/ ### References This issue was disclosed to HashiCorp and is the OpenBao equivalent of the following tickets: - https://discuss.hashicorp.com/t/hcsec-2025-16-vault-userpass-and-ldap-user-lockout-bypass/76035 - https://nvd.nist.gov/vuln/detail/CVE-2025-6004
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/openbao/openbao | >= 0.1.0, < 2.3.2 | 2.3.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openbao | Openbao | before 2.3.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://discuss.hashicorp.com/t/hcsec-2025-16-vault-userpass-and-ldap-user-lockout-bypass/76035
- https://github.com/openbao/openbao/commit/c52795c1ef746c7f2c510f9225aa8ccbbd44f9fc
- https://github.com/openbao/openbao/security/advisories/GHSA-j3xv-7fxp-gfhx
- https://github.com/advisories/GHSA-j3xv-7fxp-gfhx
- https://nvd.nist.gov/vuln/detail/CVE-2025-6004
- https://nvd.nist.gov/vuln/detail/CVE-2025-54998