by Kastro
Paper/Archive/CVE-2026-5412

CVE-2026-5412

Canonical Juju — Juju CloudSpec API could leak senstive information

EPSS 0.4%CVSS 9.9
critical.is priorityof 100
38
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 38.8.388 × 207.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Juju2.9.0 – < 2.9.572.9.57CNA
Juju3.6.0 – < 3.6.213.6.21CNA

Scores by source

canonical (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/juju/juju/security/advisories/GHSA-w5fq-8965-c969patchgithub.com/juju/juju/pull/22206patchgithub.com/juju/juju/pull/22205