OpenBao: Timing Side-Channel in Userpass Auth Method (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 and users with stored credentials. This is independent of whether the supplied credentials were valid for the given user. This issue was fixed in version 2.3.2. To work around this issue, users may use another auth method or apply rate limiting quotas to limit the number of requests in a period of time: https://openbao.org/api-docs/system/rate-limit-quotas/.
OpenBao: Timing Side-Channel in Userpass Auth Method (CVE-2025-54999)
Description
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 and users with stored credentials. This is independent of whether the supplied credentials were valid for the given user. This issue was fixed in version 2.3.2. To work around this issue, users may use another auth method or apply rate limiting quotas to limit the number of requests in a period of time: https://openbao.org/api-docs/system/rate-limit-quotas/.
Affected software
pkg:bitnami/openbaoRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-openbao-2025-54999
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2025-54999"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- Low
- Cvss Version
- null
Patch Information
Threat ID: 6aa005f6acd9273b49ab63c1
Added to database: 09/08/2026, 12:56:22 UTC
Last updated: 09/08/2026, 12:56:22 UTC
Views: 1
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