CVE-2026-93336: Juju 4.0 to before 4.0.16

Affected technology

Juju · 4.0 to before 4.0.16
Canonical

Description’s affected range: through 4.0.15

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

A controller-authenticated principal (a unit agent, or a user with only login permission) can read any application's charm resource in any model, including container-registry credentials, via a crafted request naming an arbitrary unit. Vendor/CNA’s CVSS 4.0 assessment (base score 7.1/10) rates confidentiality impact as high; integrity impact as low; availability impact as none.