Description
OpenBao before 2.6.3 contains an open redirect vulnerability in the UI's OIDC identity provider that affects users not authenticated to OpenBao. Attackers can craft OIDC links that redirect unauthenticated users to attacker-controlled destinations, enabling phishing or credential theft.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| openbao | openbao | < 2.6.3 | 2.6.3 |
Advisories 1
- WID-SEC-2026-3540 OpenBao: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 22, 2026
References
- GitHub Security Advisory (GHSA-2cjw-94fw-wqjx) vendor-advisory
- VulnCheck Advisory: OpenBao before 2.6.3 Open Redirect via OIDC Identity Provider UI third-party-advisory