CVE-2026-93336

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.

Score

CVSS 4.0 7.1 High

Status

Awaiting Analysis - security@ubuntu.com

Published

2026-10-22

Last modified

2026-10-23

Weaknesses

CWE-862

Affected products

• Juju (Canonical)

References

• https://github.com/juju/juju/security/advisories/GHSA-fp7x-6hq5-3c3w
• https://github.com/juju/juju/pull/23360