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9.9
CRITICAL CVSS 3.1
CVE-2026-5412
Juju CloudSpec API could leak senstive information
Overview
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.

Details
INFO

Published Date :

April 10, 2026, 1:16 p.m.

Last Modified :

April 30, 2026, 3:18 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2026-5412 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical juju
: Total Affected Vendor : 1 | Products : 1
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL cc1ad9ee-3454-478d-9317-d3e869d708bc
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
Update Juju to resolve authorization bypass allowing cloud credential extraction.
  • Update Juju to version 2.9.57 or later.
  • Update Juju to version 3.6.21 or later.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-5412.

URL Resource
https://github.com/juju/juju/pull/22205 Issue Tracking Patch
https://github.com/juju/juju/pull/22206 Issue Tracking Patch
https://github.com/juju/juju/security/advisories/GHSA-w5fq-8965-c969 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-5412 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-5412 weaknesses.

CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs Accessing Functionality Not Properly Constrained by ACLs CAPEC-5: Blue Boxing Blue Boxing CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-17: Using Malicious Files Using Malicious Files CAPEC-39: Manipulating Opaque Client-based Data Tokens Manipulating Opaque Client-based Data Tokens CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-51: Poison Web Service Registry Poison Web Service Registry CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction CAPEC-60: Reusing Session IDs (aka Session Replay) Reusing Session IDs (aka Session Replay) CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-77: Manipulating User-Controlled Variables Manipulating User-Controlled Variables CAPEC-87: Forceful Browsing Forceful Browsing CAPEC-104: Cross Zone Scripting Cross Zone Scripting CAPEC-127: Directory Indexing Directory Indexing CAPEC-402: Bypassing ATA Password Security Bypassing ATA Password Security CAPEC-647: Collect Data from Registries Collect Data from Registries CAPEC-668: Key Negotiation of Bluetooth Attack (KNOB) Key Negotiation of Bluetooth Attack (KNOB)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-5412 vulnerability anywhere in the article.

  • Daily CyberSecurity
Critical—9 Vulnerabilities in Orthanc DICOM Servers Threaten Medical Data Integrity

A series of critical security flaws has been uncovered in Orthanc, the popular open-source “lightweight Digital Imaging and Communications in Medicine (DICOM) server used to store, process, and retrie ... Read more

Published Date: Apr 14, 2026 (2 weeks, 2 days ago)
  • Daily CyberSecurity
Juju’s CVSS 10 Flaw Hands Over Master Cloud Credentials

Juju, the popular open-source application orchestration engine, is facing a critical security emergency. A newly discovered vulnerability, carrying the maximum possible severity rating of CVSS 10, all ... Read more

Published Date: Apr 14, 2026 (2 weeks, 2 days ago)
  • Daily CyberSecurity
CVE-2026-4810: Critical 9.3 RCE Flaw Hits Google’s AI Agent Development Kit

A recently disclosed vulnerability in Google’s Agent Development Kit (ADK) serves as a stark reminder that even the most modular frameworks are not immune to classic security pitfalls. Security resear ... Read more

Published Date: Apr 14, 2026 (2 weeks, 2 days ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-5412 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Reanalysis by [email protected]

    Apr. 30, 2026

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:* versions up to (excluding) 2.9.57 *cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:* versions from (including) 3.6.0 up to (excluding) 3.6.21 OR *cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:* versions up to (excluding) 2.9.57 *cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:* versions from (including) 3.6 up to (excluding) 3.6.21
  • Initial Analysis by [email protected]

    Apr. 30, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CPE Configuration OR *cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:* versions up to (excluding) 2.9.57 *cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:* versions from (including) 3.6.0 up to (excluding) 3.6.21
    Added Reference Type Canonical Ltd.: https://github.com/juju/juju/pull/22205 Types: Issue Tracking, Patch
    Added Reference Type Canonical Ltd.: https://github.com/juju/juju/pull/22206 Types: Issue Tracking, Patch
    Added Reference Type Canonical Ltd.: https://github.com/juju/juju/security/advisories/GHSA-w5fq-8965-c969 Types: Exploit, Third Party Advisory
  • New CVE Received by [email protected]

    Apr. 10, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Added CWE CWE-285
    Added Reference https://github.com/juju/juju/pull/22205
    Added Reference https://github.com/juju/juju/pull/22206
    Added Reference https://github.com/juju/juju/security/advisories/GHSA-w5fq-8965-c969
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 9.9
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact