---
id: CVE-2026-93336
title: Missing authorization in the unit resources download route in Juju controllers
summary: "Missing authorization in the unit resources download route in Canonical Juju\_4.0 through 4.0.15 allows a controller-authenticated principal (a unit agent,\_or a user with only login permission) to read any application's charm resource\_in …"
severity: high
cvss: 7.1
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-862
vendor: Canonical
product: juju
affected:
  - juju >= 4.0 < 4.0.16
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T17:32:13.820Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-93336'
references:
  - url: 'https://github.com/juju/juju/security/advisories/GHSA-fp7x-6hq5-3c3w'
  - url: 'https://github.com/juju/juju/pull/23360'
tags:
  - cve.org
ingestedAt: '2026-10-22T22:00:50.354Z'
---

## Overview

Missing authorization in the unit resources download route in Canonical Juju 4.0 through 4.0.15 allows a controller-authenticated principal (a unit agent, or a user with only login permission) to read any application's charm resource in any model,  including container-registry credentials, via a crafted request naming an arbitrary unit.

## Affected

- `juju >= 4.0 < 4.0.16`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.