BIT-openbao-2026-115358: OpenBao before 2.6.3 Sensitive Data Leak in Audit Log via Malformed Parameters
OpenBao before 2.6.3 contains an information disclosure vulnerability that allows attackers to leak sensitive data into audit logs by sending malformed plugin parameters. Attackers can submit requests with malformed TypeKVPair or TypeHeader field values, causing error messages containing sensitive input to be recorded in audit logs.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
bitnami/openbaoto a version that resolves this vulnerability.Fixed in 2.6.3 - Upgrade
Upgrade
bitnami/openbaoto a version that resolves this vulnerability.Fixed in 2.7.1
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker needs high privileges and must be able to submit requests containing malformed TypeKVPair or TypeHeader plugin parameter values. User interaction is also required according to the provided severity vector.
What data is exposed and where does it appear?
Sensitive input included in malformed parameters can be included in error messages and recorded in OpenBao audit logs. The provided data does not identify specific data types beyond sensitive input.
Are installations running version 2.6.3 affected?
No. The issue affects OpenBao versions before 2.6.3.
How can I determine whether this has already occurred?
Review OpenBao audit logs for error messages associated with malformed TypeKVPair or TypeHeader field values, and check whether those messages contain sensitive request input.