CVE-2026-5412 — CRITICAL (9.9)

Q: How severe is CVE-2026-5412?

CVE-2026-5412 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-5412?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Juju.

Vulnerability Description

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.

CVSS Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Canonical	Juju	< 2.9.57

Related Weaknesses (CWE)

CWE-285

References

https://github.com/juju/juju/pull/22205Issue TrackingPatch
https://github.com/juju/juju/pull/22206Issue TrackingPatch
https://github.com/juju/juju/security/advisories/GHSA-w5fq-8965-c969ExploitThird Party Advisory

FAQ

What is CVE-2026-5412?

CVE-2026-5412 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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 bo...

How severe is CVE-2026-5412?

CVE-2026-5412 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-5412?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Juju.