Open Redirect in Openbao

CVE-2026-115360

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.

Vulnerability class: Open Redirect

Published .

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-115360?
CVE-2026-115360 is a medium-severity vulnerability in Openbao, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-10-22.
How severe is CVE-2026-115360?
Medium severity. CVSS v3 base score is 4.7 out of 10.