Juju <2.9.57, 3.6.21: Auth flaw in Controller facade leaks cloud creds
CVE-2026-5412 Published on April 10, 2026
Juju CloudSpec API could leak senstive information
In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated user can call the CloudSpec API method to extract the cloud credentials used to bootstrap the controller. This allows a low-privileged user to access sensitive credentials. This issue is resolved in Juju versions 2.9.57 and 3.6.21.
Vulnerability Analysis
CVE-2026-5412 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-5412 has been classified to as an AuthZ vulnerability or weakness.
Affected Versions
Canonical Juju:- Version 2.9.0 and below 2.9.57 is affected.
- Version 3.6.0 and below 3.6.21 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.