CVE-2025-54998

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, attackers could bypass the automatic user lockout mechanisms in the OpenBao Userpass or LDAP auth systems. This was caused by...

CVE-2025-54999

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, when using OpenBao's userpass auth method, user enumeration was possible due to timing difference between non-existent users an...

Brute Force

Overview Affected versions of this package are vulnerable to Brute Force via the authentication process in the Userpass or LDAP systems. An attacker can circumvent intended user lockout protections by exploiting differences in user entity alias attribution between pre-flight and full login...

Brute Force

Overview Affected versions of this package are vulnerable to Brute Force via the authentication process in the Userpass or LDAP systems. An attacker can circumvent intended user lockout protections by exploiting differences in user entity alias attribution between pre-flight and full login...

Brute Force

Overview Affected versions of this package are vulnerable to Brute Force via the authentication process in the Userpass or LDAP systems. An attacker can circumvent intended user lockout protections by exploiting differences in user entity alias attribution between pre-flight and full login...

Brute Force

Overview Affected versions of this package are vulnerable to Brute Force via the authentication process in the Userpass or LDAP systems. An attacker can circumvent intended user lockout protections by exploiting differences in user entity alias attribution between pre-flight and full login...

CVE-2025-54999

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, when using OpenBao's userpass auth method, user enumeration was possible due to timing difference between non-existent users an...

CVE-2025-54999 OpenBao: Timing Side-Channel in Userpass Auth Method

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, when using OpenBao's userpass auth method, user enumeration was possible due to timing difference between non-existent users an...

CVE-2025-54998

CVE-2025-54998 affects OpenBao versions 0.1.0–2.3.1, where an aliasing mismatch between pre-flight and full login user entity attributes allowed bypass of automatic user lockout in Userpass/LDAP auth. The issue is fixed in version 2.3.2. Remediation: upgrade to 2.3.2; as a workaround, apply rate-...

CVE-2025-54998

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, attackers could bypass the automatic user lockout mechanisms in the OpenBao Userpass or LDAP auth systems. This was caused by...

CVE-2025-54999: Observable Discrepancy

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, when using OpenBao's userpass auth method, user enumeration was possible due to timing difference between non-existent users an...

CVE-2025-54998: Improper Restriction of Excessive Authentication Attempts

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, attackers could bypass the automatic user lockout mechanisms in the OpenBao Userpass or LDAP auth systems. This was caused by...

OpenBao has a Timing Side-Channel in the Userpass Auth Method

Impact When using OpenBao's userpass auth method, user enumeration was possible due to timing difference between non-existent users and users with stored credentials. This is independent of whether the supplied credentials were valid for the given user. Patches OpenBao v2.3.2 will patch this issu...

OpenBao Userpass and LDAP User Lockout Bypass

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 user...

GHSA-J3XV-7FXP-GFHX OpenBao Userpass and LDAP User Lockout Bypass

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 user...

PT-2025-32381

Name of the Vulnerable Software and Affected Versions OpenBao versions 0.1.0 through 2.3.1 Description OpenBao is a software solution designed for managing, storing, and distributing sensitive data, including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, user enumeration was...

CVE-2025-6011

A flaw was found in github.com/hashicorp/vault. The Userpass authentication method exhibits a timing vulnerability, allowing an attacker to determine whether a username exists within Vault by measuring response times, and enables potential enumeration of valid usernames. This vulnerability allows...

BIT-VAULT-2025-6011 Timing Side-Channel in Vault’s Userpass Auth Method

A timing side channel in Vault and Vault Enterprise’s “Vault” userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise...

BIT-VAULT-2025-6004 Vault Userpass and LDAP User Lockout Bypass

Vault and Vault Enterprise’s “Vault” user lockout feature could be bypassed for Userpass and LDAP authentication methods. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23...

GHSA-MWGR-84FV-3JH9 Hashicorp Vault has an Observable Discrepancy on Existing and Non-Existing Users

A timing side channel in Vault and Vault Enterprise’s “Vault” userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise...