CVE-2025-54998: Github.com/openbao/openbao OpenBao Userpass And LDAP User Vulnerability
MODERATECVE-2025-54998 is a MODERATE (CVSS 5.3) openbao userpass and ldap user vulnerability (CWE-307: Improper Restriction of Excessive Authentication Attempts) affecting Github.com/openbao/openbao libraries in the Go ecosystem. The issue involves openbao userpass and ldap user lockout bypass. Remediation is available by upgrading affected packages to version 2.3.2, 0.0.0-20250807212521-c52795c1ef74.
CVE-2025-54998 at a Glance
Security Impact
CVSS: 5.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
How to Fix CVE-2025-54998
To remediate this vulnerability, upgrade all affected Github.com/openbao/openbao dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/openbao/openbao to 2.3.2Upgrade github.com/openbao/openbao to 0.0.0-20250807212521-c52795c1ef74Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/openbao/openbaoHow to Check if You Are Affected
To determine whether your application is affected by CVE-2025-54998, inspect your project dependencies for Github.com/openbao/openbao:
inspect dependencies for github.com/openbao/openbaoAnalyze the terminal output to locate any version of Github.com/openbao/openbao in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.3.2), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-307: Improper Restriction of Excessive Authentication Attempts, where the product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame. In Github.com/openbao/openbao, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2025-54998 Affected Github.com/openbao/openbao Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/openbao/openbao
|
Go |
≥ 0.1.0
< 2.3.2
|
2.3.2
|
|
github.com/openbao/openbao
|
Go |
< 0.0.0-20250807212521-c52795c1ef74
|
0.0.0-20250807212521-c52795c1ef74
|
References
Frequently Asked Questions
What is CVE-2025-54998?
Which Github.com/openbao/openbao versions are affected?
What version fixes CVE-2025-54998?
Is github.com/openbao/openbao affected?
What is the CVSS score of CVE-2025-54998?
What CWE is associated with CVE-2025-54998?
How can I check Go dependencies for CVE-2025-54998?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-j3xv-7fxp-gfhx",
"modified" : "2025-08-11T13:56:35Z",
"published" : "2025-08-08T14:38:54Z",
"aliases" : [ "CVE-2025-54998" ],
"summary" : "OpenBao Userpass and LDAP User Lockout Bypass",
"details" : "### Impact\n\nAttackers 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. \n\n### Patches\n\nOpenBao v2.3.2 will patch this issue.\n\n### Workarounds\n\nExisting users may apply rate-limiting quotas on the authentication endpoints: https://openbao.org/api-docs/system/rate-limit-quotas/\n\n### References\n\nThis issue was disclosed to HashiCorp and is the OpenBao equivalent of the following tickets:\n\n- https://discuss.hashicorp.com/t/hcsec-2025-16-vault-userpass-and-ldap-user-lockout-bypass/76035\n- https://nvd.nist.gov/vuln/detail/CVE-2025-6004",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/openbao/openbao"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0.1.0"
}, {
"fixed" : "2.3.2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/openbao/openbao"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "0.0.0-20250807212521-c52795c1ef74"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/openbao/openbao/security/advisories/GHSA-j3xv-7fxp-gfhx"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-54998"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-6004"
}, {
"type" : "WEB",
"url" : "https://github.com/openbao/openbao/commit/c52795c1ef746c7f2c510f9225aa8ccbbd44f9fc"
}, {
"type" : "WEB",
"url" : "https://discuss.hashicorp.com/t/hcsec-2025-16-vault-userpass-and-ldap-user-lockout-bypass/76035"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/openbao/openbao"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-307" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2025-08-08T14:38:54Z",
"nvd_published_at" : "2025-08-09T03:15:46Z"
}
}