CVE-2026-93336

EUVD-2026-108266
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
canonicalCNA
7.1 HIGH
NETWORK
LOW
LOW
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 11.33%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
canonicaljuju
4.0 ≤
𝑥
< 4.0.16
CNA
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
juju
jammy
dne
noble
dne
resolute
dne
stonking
dne
Common Weakness Enumeration
References
https://github.com/juju/juju/pull/23360
https://github.com/juju/juju/security/advisories/GHSA-fp7x-6hq5-3c3w