Vulnerability · Published Jul 8, 2025 · Assigned by canonical

CVE-2025-53513Zip slip vulnerability in Juju

High 8.8

In plain English

A high-severity security flaw in Juju from Canonical. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

The /charms endpoint on a Juju controller lacked sufficient authorization checks, allowing any user with an account on the controller to upload a charm. Uploading a malicious charm that exploits a Zip Slip vulnerability could allow an attacker to gain access to a machine running a unit through the affected charm.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/juju/juju0.0.0-20250619215741-6356e984b82aGHSA-24ch-w38v-xmh8
Gogithub.com/juju/juju0.0.0-20250619215741-6356e984b82aGO-2025-3804

Affected products (as reported)

VendorProductVersions
Canonical Juju 2.0.0 – before 2.9.523.0.0 – before 3.6.8

Weakness: CWE-24 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References