CVE-2026-93336

Missing authorization in the unit resources download route in Juju controllers

Published Oct 22, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Canonical
Canonical juju
Vendors & Products Canonical
Canonical juju
Type Values Removed Values Added
Description 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.
Title Missing authorization in the unit resources download route in Juju controllers
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 7.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Nov 2, 2026, 12:06 PM
Reserved
Sep 17, 2026, 6:37 PM
Status
Awaiting Analysis
Published
Oct 22, 2026, 6:17 PM
Modified
Nov 2, 2026, 1:17 PM