CVE-2026-5412 | Canonical Juju up to 2.9.56/3.6.20 CloudSpec API improper authorization (GHSA-w5fq-8965-c969)

VDB-356813 · CVE-2026-5412 · GHSA-W5FQ-8965-C969 CANONICAL JUJU UP TO 2.9.56/3.6.20 CLOUDSPEC API IMPROPER AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.9 $0-$5k 1.54+ Summaryinfo A vulnerability identified as critical has been detected in Canonical Juju up to 2.9.56/3.6.20. The affected element is an unknown function of the component CloudSpec API. The manipulation leads to improper authorization. This vulnerability is listed as CVE-2026-5412. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component. Detailsinfo A vulnerability was found in Canonical Juju up to 2.9.56/3.6.20. It has been rated as critical. This issue affects some unknown functionality of the component CloudSpec API. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is: 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. The weakness was presented by Ales Stimec as GHSA-w5fq-8965-c969. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-5412 since 04/02/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue. Upgrading to version 2.9.57 or 3.6.21 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Vendor Canonical Name Juju Version 2.9.0 2.9.1 2.9.2 2.9.3 2.9.4 2.9.5 2.9.6 2.9.7 2.9.8 2.9.9 2.9.10 2.9.11 2.9.12 2.9.13 2.9.14 2.9.15 2.9.16 2.9.17 2.9.18 2.9.19 2.9.20 2.9.21 2.9.22 2.9.23 2.9.24 2.9.25 2.9.26 2.9.27 2.9.28 2.9.29 2.9.30 2.9.31 2.9.32 2.9.33 2.9.34 2.9.35 2.9.36 2.9.37 2.9.38 2.9.39 2.9.40 2.9.41 2.9.42 2.9.43 2.9.44 2.9.45 2.9.46 2.9.47 2.9.48 2.9.49 2.9.50 2.9.51 2.9.52 2.9.53 2.9.54 2.9.55 2.9.56 3.6.0 3.6.1 3.6.2 3.6.3 3.6.4 3.6.5 3.6.6 3.6.7 3.6.8 3.6.9 3.6.10 3.6.11 3.6.12 3.6.13 3.6.14 3.6.15 3.6.16 3.6.17 3.6.18 3.6.19 3.6.20 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 8.1 VulDB Meta Temp Score: 7.9 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.9 CNA Vector (canonical): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Improper authorization CWE: CWE-285 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Juju 2.9.57/3.6.21 Patch: github.com Timelineinfo 04/02/2026 CVE reserved 04/10/2026 +8 days Advisory disclosed 04/10/2026 +0 days VulDB entry created 04/10/2026 +0 days VulDB entry last update Sourcesinfo Advisory: GHSA-w5fq-8965-c969 Researcher: Ales Stimec Status: Confirmed CVE: CVE-2026-5412 (🔒) GCVE (CVE): GCVE-0-2026-5412 GCVE (VulDB): GCVE-100-356813 Entryinfo Created: 04/10/2026 15:49 Changes: 04/10/2026 15:49 (67) Complete: 🔍 Cache ID: 99:6E3:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸