CVE-2025-55001: OpenBao LDAP MFA Enforcement Bypass When Using Username As Alias
(updated )
OpenBao allows assignment of policies and MFA attribution based upon entity aliases, chosen by the underlying auth method. When using the username_as_alias=true parameter in the LDAP auth method, the caller-supplied username is used verbatim without normalization, allowing an attacker to bypass alias-specific MFA requirements.
References
- discuss.hashicorp.com/t/hcsec-2025-20-vault-ldap-mfa-enforcement-bypass-when-using-username-as-alias/76092
- github.com/advisories/GHSA-2q8q-8fgw-9p6p
- github.com/openbao/openbao
- github.com/openbao/openbao/commit/c52795c1ef746c7f2c510f9225aa8ccbbd44f9fc
- github.com/openbao/openbao/security/advisories/GHSA-2q8q-8fgw-9p6p
- nvd.nist.gov/vuln/detail/CVE-2025-55001
- nvd.nist.gov/vuln/detail/CVE-2025-6013
Code Behaviors & Features
Detect and mitigate CVE-2025-55001 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →