Open redirect in OpenBao - #VU152259
Published: September 25, 2026
Vulnerability identifier: #VU152259
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect users to an attacker-controlled website.
The vulnerability exists due to improper URL validation in the OIDC identity provider UI when handling user-supplied redirect targets. A remote attacker can craft a redirect link to redirect users to an attacker-controlled website.
User interaction is required.
Affected software
OpenBao
Remediation
Install security update from vendor's website.
OpenBao - addressed in versions 2.6.3, 2.7.0