CVE-2026-33758
OpenBao is an open source identity-based secrets management system.
Published Mar 27, 2026 · updated Jul 15, 2026 · openbao openbao
OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao installations that have an OIDC/JWT authentication method enabled and a role with configured are vulnerable to XSS via the parameter on the page for a failed authentication. This allows an attacker access to the token used in the Web UI by a victim. The parameter has been replaced with a static error message in v2.5.2. The vulnerability can be mitigated by removing any roles with set to .
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Mar 27, 2026 · NIST NVD
Detected
OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao installations that have an OIDC/JWT authentication method enabled and a role with configured are vulnerable to XSS via the parameter on the page for a failed authentication. This allows an attacker access to the token used in the Web UI by a victim. The parameter has been replaced with a static erro
Jul 15, 2026 · NIST NVD
Updated
OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao installations that have an OIDC/JWT authentication method enabled and a role with configured are vulnerable to XSS via the parameter on the page for a failed authentication. This allows an attacker access to the token used in the Web UI by a victim. The parameter has been replaced with a static erro
Affected
- cpe openbao/openbaoversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-33758
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-33758
OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao installations that have an OIDC/JWT authentication method enabled and a role with configured are vulnerable to XSS via the parameter on
nvd.nist.gov