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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/juju/juju | 0.0.0-20250619215741-6356e984b82a | GHSA-24ch-w38v-xmh8 |
| Go | github.com/juju/juju | 0.0.0-20250619215741-6356e984b82a | GO-2025-3804 |
Affected products (as reported)
Weakness: CWE-24 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H