CVE-2026-5412

EUVD-2026-21364
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.9 CRITICAL
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Affected Products (NVD)
VendorProductVersion
canonicaljuju
𝑥
< 2.9.57
canonicaljuju
3.6 ≤
𝑥
< 3.6.21
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/juju/juju/pull/22205
https://github.com/juju/juju/pull/22206
https://github.com/juju/juju/security/advisories/GHSA-w5fq-8965-c969