High severity · published Oct 22, 2026
CVE-2026-93336
Missing authorization in the unit resources download route in Juju controllers
7.1
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JU
Juju · Canonical
4.0 before 4.0.16 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93336
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93336
github.com
https://github.com/juju/juju/pull/23360
github.com
https://github.com/juju/juju/security/advisories/GHSA-fp7x-6hq5-3c3w
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