GHSA-8xxq-mq9m-xmhw: OpenBao before 2.6.3 Sensitive Data Leak in Audit Log via Malformed Parameters

Published Oct 22, 2026
·
Updated

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

2 affected componentsFixes available
bitnami/openbao<2.6.3
2.6.3
bitnami/openbao>=2.7.0<2.7.1
2.7.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade bitnami/openbao to a version that resolves this vulnerability.

    Fixed in 2.6.3
  2. Upgrade

    Upgrade bitnami/openbao to a version that resolves this vulnerability.

    Fixed in 2.7.1

Event History

Oct 22, 2026
CVE Published
via OSV·07:13 PM
Data Sourced
via OSV·07:13 PM
DescriptionSeverityWeakness
Oct 29, 2026
Advisory Published
via OSV·08:54 AM
Data Sourced
via OSV·08:54 AM
Affected Software

Frequently Asked Questions

1

Who can trigger the sensitive data disclosure?

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 supplied severity vector.

2

What information is exposed and where does it appear?

Sensitive input included in malformed parameter values can be included in error messages. Those error messages are recorded in OpenBao audit logs.

3

Are installations running version 2.6.3 affected?

The issue affects OpenBao versions before 2.6.3. The provided data does not identify any affected versions at or after 2.6.3.

4

How can I determine whether this issue may already have been exploited?

Review OpenBao audit logs for error messages associated with malformed TypeKVPair or TypeHeader plugin parameters. Such entries may contain sensitive request input.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203