CVE-2025-0928 Arbitrary executable upload via authenticated endpoint

What is CVE-2025-0928?

CVE-2025-0928 is a high-severity vulnerability in Canonical Juju, published on 8 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Juju versions prior to 3.6.8 and 2.9.52, any authenticated controller user was allowed to upload arbitrary agent binaries to any model or to the controller itself, without verifying model membership or requiring explicit permissions. This enabled the distribution of poisoned binaries to new or upgraded machines, potentially resulting in remote code execution.

Weakness: CWE-434, CWE-285

Which versions are affected by CVE-2025-0928?

3 open source packages ship an affected version, including github.com/juju/juju. It affects 1 product.

Products include Canonical Juju.

How do I fix CVE-2025-0928?

Upgrade github.com/juju/juju to 0.0.0-20250619215741-4034aa13c7cf or later.

Is CVE-2025-0928 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-0928 exists.

Other vulnerabilities in Canonical Juju

• CVE-2026-4370 Improper TLS Client/Server authentication and certificate verification on Database Cluster Critical 10.0
• CVE-2026-5412 Juju CloudSpec API could leak senstive information Critical 9.9
• CVE-2017-9232 Juju uses a UNIX domain socket without setting appropriate permissions Critical 9.8
• CVE-2026-32693 Unauthorized access to Kubernetes secrets in Juju High 8.8
• CVE-2025-53513 Zip slip vulnerability in Juju High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4vc8-wvhw-m5gv, GO-2025-3805.