CVE-2025-53512 Sensitive log retrieval in Juju

What is CVE-2025-53512?

CVE-2025-53512 is a medium-severity missing authorization 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

The /log endpoint on a Juju controller lacked sufficient authorization checks, allowing unauthorized users to access debug messages that could contain sensitive information.

Weakness: CWE-285, CWE-200

Which versions are affected by CVE-2025-53512?

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-2025-53512?

Upgrade github.com/juju/juju to 0.0.0-20250619024904-402ff008dcc2 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-53512 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-53512 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-2025-0928 Arbitrary executable upload via authenticated endpoint High 8.8

Sources

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

Also known as GHSA-r64v-82fh-xc63, GO-2025-3806.