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🛡️ CVE-2025-68152 — juju

🟡 CVSS 4.9 — Medium ✅ No Known Exploit CWE-863 NVD
4.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Juju: Read All Controller Logs From Compromised Workload

Summary

It is possible that a compromised workload machine under a Juju controller can read any log file for any entity in any model at any level.

There is a debug log endpoint in the API server that allows streaming of logs off of the controller. To access this endpoint you must be authentication and either be a machine agent, controller agent, controller admin or have model read permission.

The problematic is the machine agent story. The rest of the other checks have a high enough degree of safety that an attacker can not move side ways in the controller when obtaining log files.

Details

A compromised workload machine is capable of obtaining logs for both the controller and any model under the controller at any log level they wish. A bad actor can use this information as signal for further attacks or possible gain secret information leaked out in debug and trace logs. On top of this they would also be able to receive the logs from the charm itself for which we have no control over.

  • [here](https://github.com/juju/juju/blob/1a8d84ec114c2e4f9921e30081e5a5549f7cbfc4/apiserver/apiserver.go#L767) is where the authorizer is defined for the endpoint.
  • [here](https://github.com/juju/juju/blob/1a8d84ec114c2e4f9921e30081e5a5549f7cbfc4/apiserver/debuglog.go#L110) is where the authorizer is checked.
  • [here](https://github.com/juju/juju/blob/1a8d84ec114c2e4f9921e30081e5a5549f7cbfc4/apiserver/debuglog.go#L115) and onwards is the amount of information the attacker can gain access to.

PoC

If an attacker compromises a workload machine, they will have access to the agent.conf file containing the credentials. This can then be used to obtain debug logs for any part of the controller.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: High — administrative rights are needed first.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2025-68152 is classified as CWE-863: Incorrect Authorization. An authorisation check runs but reaches the wrong conclusion, permitting actions it should refuse.

Affected software

CVE-2025-68152 is recorded against 2 packages.

  • github.com/juju/juju
  • juju (from 3.6 up to 3.6.18)

Timeline and source

Published on 3 April 2026 and last revised on 25 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)

Other advisories for this package

github.com/juju/juju has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-863: Incorrect Authorization) in other software:

Details

Severity Medium
CVSS Score 4.9
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CWE CWE-863
Public Exploit ✅ No
Source NVD
Published 2026-04-03
Updated 2026-08-20
Modified 2026-06-25

Affected Packages

Software From version Fixed in
github.com/juju/juju — —
juju 3.6 3.6.18

Similar Threats

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