CVE-2026-115360: OpenBao open redirect in OIDC UI

CVE-2026-115360 · Severity: medium · CVSS 4.7 · Published 2026-10-22

OpenBao is a secrets management system that protects sensitive data like credentials and encryption keys. An open redirect vulnerability in the OIDC login interface allows attackers to craft malicious links that redirect unauthenticated users to attacker-controlled websites, enabling phishing attacks or credential theft. The vulnerability only affects users who have not yet logged in and requires them to click a malicious link.

Quick answers

Is CVE-2026-115360 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-115360 being exploited in the wild.
How severe is CVE-2026-115360?
Medium severity, with a CVSS score of 4.7, published 22 October 2026.
Which products and versions are affected?
OpenBao before 2.6.3.
Is there a fix for CVE-2026-115360?
Yes: fixed in 2.6.3, 2.7.0. Until then: OpenBao's UI is not activated by default. Users can explicitly disable the UI by setting ui = false in the configuration.</anigation> <parameter name="timeline">[{"kind": "disclosed", "at": "2026-09-23"}, {"kind": "advisory", "at": "2026-10-22"}] Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-115360 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-115360?
Check whether you run OpenBao at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 2.6.3, 2.7.0

OpenBao's UI is not activated by default. Users can explicitly disable the UI by setting ui = false in the configuration.</anigation> <parameter name="timeline">[{"kind": "disclosed", "at": "2026-09-23"}, {"kind": "advisory", "at": "2026-10-22"}]

Technical details

OpenBao versions before 2.6.3 contain an open redirect flaw in the OIDC identity provider UI component, allowing unauthenticated users to be redirected to arbitrary destinations. The vulnerability requires user interaction (clicking a crafted link) and has low attack complexity. An attacker can exploit this to perform phishing or credential harvesting attacks by redirecting users to credential theft sites.

Affected products

  • OpenBao before 2.6.3

References

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