{"cve":"CVE-2025-55001","nvd":{"published":"2025-08-09T03:15:46.887","modified":"2026-06-17T09:41:05.640","status":"Analyzed","description":"OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 2.3.1 and below, OpenBao allowed the assignment of policies and MFA attribution based upon entity aliases, chosen by the underlying auth method. When the username_as_alias=true parameter in the LDAP auth method was in use, the caller-supplied username was used verbatim without normalization, allowing an attacker to bypass alias-specific MFA requirements. This issue was fixed in version 2.3.2. To work around this, remove all usage of the username_as_alias=true parameter and update any entity aliases accordingly.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","score":6.5},"cwes":["CWE-156"],"references":["https://discuss.hashicorp.com/t/hcsec-2025-20-vault-ldap-mfa-enforcement-bypass-when-using-username-as-alias/76092","https://github.com/openbao/openbao/commit/c52795c1ef746c7f2c510f9225aa8ccbbd44f9fc","https://github.com/openbao/openbao/security/advisories/GHSA-2q8q-8fgw-9p6p"],"products":["openbao:openbao"],"source":"nvd","synced_at":"2026-10-19T22:06:45.861874017+00:00"},"epss":{"cve":"CVE-2025-55001","score":0.00244,"percentile":0.15659,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-2q8q-8fgw-9p6p","url":"https://osv.dev/vulnerability/GHSA-2q8q-8fgw-9p6p","summary":"OpenBao LDAP MFA Enforcement Bypass When Using Username As Alias","modified":"2026-07-27T09:11:18.365990511Z","packages":[{"ecosystem":"Go","name":"github.com/openbao/openbao","purl":"pkg:golang/github.com/openbao/openbao","ranges":[">=0.1.0 <2.3.2"],"fixed":["2.3.2"]},{"ecosystem":"Go","name":"github.com/openbao/openbao","purl":"pkg:golang/github.com/openbao/openbao","ranges":["<0.0.0-20250807212521-c52795c1ef74"],"fixed":["0.0.0-20250807212521-c52795c1ef74"]}]},{"id":"GO-2025-3859","url":"https://osv.dev/vulnerability/GO-2025-3859","summary":"OpenBao LDAP MFA Enforcement Bypass When Using Username As Alias in github.com/openbao/openbao","modified":"2026-07-27T09:11:18.365990511Z","packages":[{"ecosystem":"Go","name":"github.com/openbao/openbao","purl":"pkg:golang/github.com/openbao/openbao","ranges":["<0.0.0-20250807212521-c52795c1ef74",">=0.1.0"],"fixed":["0.0.0-20250807212521-c52795c1ef74"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}